2021/05/21

crf450r enfin What we know is almost nothing at all.

MXA RACE TEST: THE REAL TEST OF THE 2022-1/2 HUSQVARNA FC450 ROCKSTAR EDITION, 500cc TWO-STROKE PROJECT 2000 KAWASAKI KX500 BUILT BY NATHAN ALEXANDER, MXA RACE TEST: THE REAL TEST OF THE 2022 YAMAHA YZ250, CLASSIC MOTOCROSS IRON: 1962 HUSQVARNA 500 FOUR-STROKE, GREENGER HONDA CRF-E2: THE FIRST LICENSED YOUTH ELECTRIC DIRT BIKE, MXA VIDEO: WE RIDE A 1994 HONDA CR500 TWO-STROKE RESTO-BUILD. In the end, Wrench 42 Motorsports in Temecula swapped out the 5.5kg/mm spring for the correct 4.9kg/mm spring, and we were back to the races without the rear end trying to catapult us into orbit. It had an easy pull, predictable release point and incredible hook-up torque. Compared to the stock engine, the majority of the gains are noticeable on each end of the powerband. Throughout the rest of the bike, there are some bling and other performance-related parts such as MotoStuffs 280mm front rotor and their billet brake caliper, a full Hinson clutch, set of wheels from Faster USA; as well as goodies from Cycra, SunStar, Mika Metals, and even a lighter battery from Anti-Gravity.

Lainer also attached a rebound stopper, which dampens the energy of the swingarm as it tops out from the rebound stroke. Why does Factory KTM still Use 52MM Works Forks? Top Engine Mount Torque Specs: Similar to the swingarm pivot, the top engine hangers play a huge roll in how the bike feels.

Akrapovic Evolution Muffler System: The Akrapovic muffler system shifts the Hondas power around like no other muffler system I have tried to date.

Chad Reed Rips the 2023 KTM 300 SX Fuel Injected Two Stroke! I want to be able to ride this red bike and not let it ride me after 15 minutes into a moto. It is mandatory to procure user consent prior to running these cookies on your website. The Kayaba Factory Kit forks are in the same league as Showa A-kit or WP XACT Cone valve spring forks. I have tried aftermarket engine hangers on the updated 2019-2020 chassis and never felt confident that they did a good enough job to warrant the cost. Honda CRF450s have had weak clutches since 2009s terrible four-spring experiment, which was a massive failure. Jamie went to work on the dyno and computer to design custom mellow and aggressive maps for us to test. Third, the Rekluse TorqDrive clutch pack was a clear choice for us.

Here are the steps we took to build a better 2019 CRF450. I'm a size 12 feet & the stock oem shifter works fine for me. There are three bolts per engine hanger and you will re-torque the top two bolts that go to the frame at 20 ft. lbs. Twisted Development: www.td-racing.com Three years ago Honda made a big push to get back to its winning ways. Whats the vent kit all about? This was a great example of the importance of a grippy seat coverbut it cant be too grippy. Overall, the combination of Lainers valving, choice of spring rate and personal oil must have done the trick as the fork was as plush as Id hoped for, taking the edge off of what I usually feel on a stock CRF, but having just enough hold up to push a bit harder around the track. As for the chassis department, things were left fairly untouched outside of some larger diameter handlebars and different mounts. 10/15/2018 4:48 PM SAND SURFING AT THE MXGP OF LOMMEL, CHASE SEXTON WASHOUGAL POST RACE: I KNOW ELI AND I CAN WIN MXON. Overall, this just makes the rear end feel a bit more planted, especially when youre rear steering the bike through rough acceleration zones.

When hitting acceleration and braking bumps, the titanium engine mounts are designed to allow the frame to flex, which is a big deal on a frame as stiff as the CRF450s. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Has anyone cut the backfire screen out? We tested the FMF exhaust on our CRF450 while it was still in stock trim, and all of our test riders approved. Later on when it was time to rebuild it he went with a JE high compression piston, got his head port and polished, switched to VP T4 and then got it dyno'd again and got about another 6-7 hp. The wrecking crew also had nothing but praise for the Xtrig preload adjuster on the Kayaba shock. Choose from our awesomerange of accessories including custom pipe decals, spark arrestors, and more. Hondas seem to come leaner than any other jap bikeshave for a while.

The MotoSeat and Raptor footpegs helped keep us planted on the chassis, but the MotoSeats pleated seat cover was too aggressive. Honda of Japan took back its racing program from American Honda and put HRC in charge.

The fast-twitch characteristics of the Honda chassis made the test riders lean towards a stiffer suspension setup than on the competitions bikes.

Meanwhile, out back, test riders had to lay off the rear brake to keep the fluid from boiling. With the mellow map, test riders were able to roll on the throttle without worrying about a big hit on the exit of corners. Even though many claimed to feel a difference on seat of the paints. The only thing I can think of would be springs if you're not within the weight range of the oem springs. Actually, we knew exactly what was wrong. There is less engine braking with the Evolution system and that also helps your fork from feeling harsh on small de-cel bumps. The Vortex system gives you more parameters to work with and broadens the strong engine character, so that you are able to get on the throttle sooner, have more rear wheel connection, and most importantly doesnt bind the already stiff natured chassis feel. Its as easy as swapping your clutch plates into your OEM components. Doing this isnt going to make your Honda feel like a Kawasaki through rough sections of the track, but it will feel less firm when the track gets ugly. With a battery-powered drill and an 8mm socket, we could set race sag in seconds.

Necessary cookies are absolutely essential for the website to function properly. It was up to the test riders to determine if the things we did actually made a difference in MXAs real worldthe racetrack. These modifications are geared towards calming the Honda down while getting more comfort out of the chassis. So if you want more but are afraid of making it rideable, just go to the right people, they can do both. The Evolution system lets the Hondas engine roll on smoother at low RPMs and that smoother feel helps the rear wheel connection as well as provides less pitching (off throttle) than the stock system. We felt that we had to get to give. We wanted more power from low to mid so that Twisted Developments Jamie Ellis had more meat to work with when he started mapping it. We are the sum of a 1,000 lives. Ive already done springs/valves, Im thinking about a hammerhead offset shifter, being that my feet are size 13 I sometimes have a hard time getting under the shifter. Chad at XPR Motorsports makes a custom clutch arm that really helps get an increased linear feel out of your clutch engagement. Remapping made for smoother off idle throttle response and revved out better. Racing Chain, Moto-House MX - Choice of Champions - Located in Clermont/Groveland Fl. Custom Clutch Arm: The stock Hondas clutch engagement point is very narrow and although the Rekluse Torque Drive Clutch pack helps the life/pull, the engagement is still too on/off for me. That's probably one of the best things you can do, power wise, without getting 2 carried away. It also revved 33-percent broader than any other CRF450 while making considerably more horsepower above 9000 rpm. This category only includes cookies that ensures basic functionalities and security features of the website. The only negative is the chassis feels a bit rigid in some sense, making my personal wishes for a suspension setup that can be a bit softer and offer more absorption. Aiding overall feel were the FCP titanium motor mounts and CNC-machined aluminum head stays. If youve ever ridden a 201920 CRF450, you know that the power hits hard on the bottom end, mellows out momentarily, and then kicks like a country mule. piston, FMF exhaust, Rekluse clutch, KYB suspension and aftermarket upgrades, we took our CRF450 to Jamie Ellis at Twisted Development and told him what we were looking for. Lainer was able to match the excellent performance up front with a rear shock that matched up well, especially under braking where the whole bike settled nicely on entrance and through the middle of the corner. This type of character can allow you to use second gear in corners more because the second gear hit is not as abrupt or quick and that doesnt upset your technique or the chassis. So how does a 450 that pumps out over 15% more power feel?

So in order to be able to call myself a test rider I better get off my ass and test some things that improve this machine right? It also helped eliminate the raspy sound of the stock exhausts and gave us that FMF race-bike sound we all love. So to kick it off, whats been done? However looks can be deceiving, because the Honda CRF450R can be a handful to ride on a fast, rough track that requires comfort. Is there anything more beautiful than a brand new Honda CRF450R? More consistent starts and better mid-exit corner rear wheel connection.. We tried switching from our light test riders to the big boys, but even they hated the feel of the stiff rear shock. Guess what? I wear a 14 and yes couldn't shift my buddies 18 crf450. Naw, not quite, thats the beauty of modern EFI. In fact, this Vortex ECU helps the Honda feel less rigid because there is simply less engine braking with the maps we created. By pushing down on the tire iron or screw driver you will notice the motor lift up and back in the chassis. 10/13/2018 2:52 PM Well worth the cost, IMO. In this case, the bike in question was built up by Rocket Exhaust and its not the first of Don Leibs bikes weve tested. Moto-House MX can make your Honda CRF450R run out front of the competition, KTM 250 SX, KTM 450 SX-F, Suzuki RMZ450, Yamaha YZ250, YZ450F, Husqvarna TC450 and Kawasaki KX450F. With someone good behind the laptop, you can tame bigger numbers, and in this case it was done pretty well. The front and rear brakes had fade problemseventually, we removed the plastic rotor guards, front and rear (and for the 2020 Honda we removed the rear rotor guard from under the swingarm). I just put a Works Connection Pro Perch on mine and the pull is much better.

Since we had overheating issues with the late-model CRF450s, we swapped out the stock hoses and 1.1 radiator cap with CV4s radiator hoses and a 2.0 radiator cap.

Honda rehired Erik Kehoe as the team manager and spent big bucks to get Ken Roczen on the factory Honda roster. Remapping made for smoother off idle throttle response and revved out better. Once I did these modifications, it gave the Honda a feel that allowed me to ride the machine harder in rougher conditions.. The Rekluse TorqDrive is a great addition to any bike, but the improvement is significant on the 20172020 CRF450s. I never rode it after the second list of upgrades but that pipe definitely made a big difference imo. Rekluse:www.rekluse.com Rode my buddy's 18 crf450 before and after he put an fmf system on ithuuuuge difference. It also made me want to load up this red machine first to go ride and leave the others in my shop. The first step to tilting your CRF 450 engine in the chassis is to loosen off all motor mounts and engine hangers,(without completely removing the bolts or nuts) seeing how you are going to have to quickly tighten the motor mounting nuts while holding the engine in place. There has always been a constant search to find the perfect balance between fast and usable. This website uses cookies to improve your experience. The anti vibration quality of the Pro Taper Evo is superb as well as the comfort of the bar on jump landings/braking bumps. When we built our Dean Wilson privateer YZ450F and our Chad Reed Replica Husqvarna FC450, we came up with valving that was perfect for a wide range of MXA test riders. How fast is too fast? Unlike in drag racing, the slower map actually improved lap times. Pulling power up top is increased slightly as your shifting points can be altered now because of the longer pull in each gear. The area where Motocross lives day in and out, many of the top riders in the world train. Overall the bike is more rideable, giving a wider range of options based on throttle and gear position. Wheelie overload? The most standout point other than just more power was the response, especially in the second map we tested. Vents the overflow engine oil out onto the ground (like the Yamaha) instead of into the air box . Raptor Titanium: www.raptortitanium.com Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. The Akrapovic system relaxes the engine as well off throttle. It was an understandable error, because Kayaba Factory Kit shocks are completely different from stock shocks. But the other biggest highlights were the suspension and accessories from Lainer. During 2018 and 2019, Hondas R&D department continued to evolve for the better. So howd that work out? Technical Touch:www.technical-touch.com First, we opened up the top-end and swapped out the stock piston for a high-compression JE Pistons Pro Series 14:1 piston. This includes the swingarm pivot bolt, lower engine bolt, three upper engine bolts that mount to frame and engine, finally the left and right engine hangers on the sides of the frame and engine. I can add some details if you're interested in DIY. I'm going to now investigate clutch perch as my pull is stiff too. When I came off the track and commented I felt less vibration though my feet/handlebars as well as a better initial lean coming into corners he was kind of blown away. Below are my Top 5 Mods that cost money as well as my Top 3 Mods that cost nothing.

What does this mean? Even our National Pro test riders, who normally go all aggro, were fans of the Jamie Ellis-derived mellow map. Overall great bike and shouldn't of rode it. FILL OUT THE MXA READER SURVEY FOR YOUR CHANCE, FORGOTTEN MOTOCROSS TECH: THE FIRST ROTATION IMPACT HELMET, MXA RACE TEST: THE REAL TEST OF THE 2022 SUZUKI RM-Z250, BEST OF JODYS BOX: UNEARTHING FLAWS IN A MOTOCROSS BIKE IS A BLESSING AND A, THE MUST-READ MOTOCROSS ACTION 2022 125, MXAS 125 HOT-ROD PROJECT BIKE SHOOTOUT: THE THREE BEST, 2022 MXA 250 FOUR-STROKE SHOOTOUT: THE TRUTH WILL SET YOU, 2022 MOTOCROSS ACTION 450 SHOOTOUT: THE TRUTH & NOTHING, A MOTOCROSSER ON STRANGE TERRAIN WITH DARYL ECKLUND, MXA RACE TEST: THE REAL TEST OF THE 2022 SUZUKI RM-Z450, MXA RETRO TEST: WE RIDE RICKY CARMICHAELS 2004 WORKS HONDA CRF450, BANNED BY THE AMA: THE ONE & ONLY SUMMER OF THE TITANIUM HUSKY. Jeremy Martin and Alex Martin Duking It Out at ClubMX! The combination of the XPR clutch arm as well as this Rekluse clutch pack allows the Honda hook up better and gives me added control where the Honda needed it most, accelerating out of rough/choppy corners. It gave up some of the peak horses for a filled-in and smoother power curve from low to mid. There was no noticeable gains to be had on the graphs. Justin Barcia Pulls Bid for 2022 Team USA | Who Will Race MX2 at Motocross of Nations? MXAs test riders loved this bike in stock form, but as with every bike, we still found issues to fix and came up with ideas to make it better. To continue with the comfort theme, we used Torc1 Racings Attack oversized flex crossbar handlebars and Torc1 Kevtek grips.

Crazy stiff First things I did with mine were works connection radiator braces and Tokyo mods engine vent kit. We live Motocross, Yamaha PW50 Performance Upgrades Engine Mods Accessories | Moto-House MX, Yamaha YZ65 Performance Upgrades Engine Mods Accessories | Moto-House MX, Yamaha YZ85 Performance Upgrades Engine Mods Accessories | Moto-House MX, Yamaha YZ125 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Yamaha YZ250 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Yamaha YZ250F Performance Upgrades Engine Mods and Accessories | Moto-House MX, Yamaha YZ450F Performance Upgrades Engine Mods and Accessories | Moto-House MX, Kawasaki KX65 Performance Upgrades Engine Mods Accessories | Moto-House MX, Kawasaki KX85 Performance Upgrades Engine Mods Accessories | Moto-House MX, Kawasaki KX100 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Kawasaki KX125 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Kawasaki KX250 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Kawasaki KX250F Performance Upgrades Engine Mods and Accessories | Moto-House MX, Kawasaki KX450F Performance Upgrades Engine Mods and Accessories | Moto-House MX, Suzuki RM85 Performance Upgrades Engine Mods Accessories | Moto-House MX, Suzuki RM125 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Suzuki RM250 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Suzuki RM-Z250 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Suzuki RM-Z450 Performance Upgrades Engine Mods and Accessories | Moto-House MX, KTM 50 SX Performance Upgrades Engine Mods Accessories | Moto-House MX, KTM 65 SX Performance Upgrades Engine Mods Accessories | Moto-House MX 1620-1733, KTM 85 SX Performance Upgrades Engine Mods Accessories | Moto-House MX, KTM 250 SX-F Performance Upgrades Engine Mods and Accessories | Moto-House MX, Husqvarna TC 65 Performance Upgrades Engine Mods Accessories | Moto-House MX, HUSQVARNA TC 85 Performance Upgrades Engine Mods Accessories | Moto-House MX, Husqvarna FC 250 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Husqvarna FC 350 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Husqvarna FC 450 Performance Upgrades Engine Mods and Accessories | Moto-House MX, Motocross, Off-Road, Enduro Bikes Scheduled Maintenance Engine High-Performance Parts, Service Department - Motocorss, Enduro and Off-Road Services, Enduro/Motocross Motorcycles Pre-Race Set-Up Work Sheet, Motocross/Offroad Bikes Overhauls & Rebuilds, Motocross/Enduro Bikes Suspension Maintenance & Repairs, Honda CRF450R 2004-2018 Wrench Rabbit Engine Complete Rebuild Kit, Fire Power Honda CRF250R / CRF450R Featherweight Lithium Battery HJ04L-FP, Honda CRF250R / CRF450R Replacement Fuel Pump Kit - Quantum HFP-393, All Balls Fork and Dust Seal Kit Honda CRF450R 02-18, Motion Pro Honda CRF450R Cam Gear Motorcycle Tools, HINSON Clutch Cable Billet Bracket CRF450R 17-20 CB789-0417, Twin Air Dual-Stage Pre-Oiled Air Filters 19-22 Honda CRF450X / CRF450L / CRF450RL- 150226X, Moose Racing Billet Clutch Baskets M597-B-2101 - Honda CRF450R/CRF450RWE 2021, Moose Racing Billet Clutch Baskets M389 - Honda CRF450R 2002-2007, ProX Complete Clutch Pack Kit - 2013-2016 Honda CRF450R 16.CPS14013, ProX Piston Kit OEM Replacement 2013-2016 Honda CRF450R, Wiseco Garage Buddy Steel Valve Kit - 2013-2016 Honda CRF450R - SVKB1410, Wiseco Garage Buddy Steel Valve Kit - 2009-2012 Honda CRF450R - SVKB1409, Wiseco Garage Buddy Steel Valve Kit - 2007-2008 Honda CRF450R - SVKB1404, Wiseco Garage Buddy Steel Valve Kit - 2002-2006 Honda CRF450R - SVKB1403, Rekluse Racing Torqdrive Clutch Pack 2021 Honda CRF450R RMS-2801102.

I have worked many hours with Chad in creating some linear maps that work for all levels of riding. Unless a Lot of Things Change" | Eli Tomac - 2022 Millville, @cache_main: 37466a316920af7699fb6e02519390cb. Moto Seat:www.motoseat.com The Kayaba Factory Kit shock doesnt need the same stiff spring as the stock shock. Pro Taper EVO Handlebars: I didnt get to stick a pair of Pro Tapers on until after my initial testing, but once I did I wondered why I didnt do it sooner. We switched it out for the stock seat cover, but then we slid backwards under acceleration. Motocross Action Magazine - The worlds leading publication about motocross and supercross. Edited Date/Time: 10/15/2018 4:49 PM. Even with the 2.0 CV4 radiator cap, we still lost some coolant once the bike got hot, but it wasnt as bad as usual. I didn't want to get back on my bike after riding his. MXGP Team Report: Nestaan Husqvarna Factory Racing MX2. Having tested Rockets exhaust with and without mapping changes it was fun to see how some different electronic tuning can take a bike from explosive to usable. THIS WEEK IN MXA: TESTING THE GNARLY DUNLOP TIRE THAT ELI TOMAC USED AT SOUTHWICK! But if you still need more, a 450 with serious numbers can be tamed with a little electronics work. With our package, the bikes stay reliable and won't break the bank. But opting out of some of these cookies may have an effect on your browsing experience. Meaning that snappiness is quite noticeable off the bottom, along with more torque that helps when keeping it a gear higher in the corners but if you click it down one, youre met with a LOT of hit when needed. We'll assume you're ok with this, but you can opt-out if you wish. Before we went to the map master, we wanted to button up the Hondas suspension. If you have any questions about these modifications please feel free to email me at kris@keeferinctesting.com. The Akrapovic also allows the rider to shift later out of the corner with its increased over-rev capabilities. Mistakes were fewer, and fatigue was less with the mellow map, because we were able to ride the bike instead of the bike riding us. With smooth power, our testers found that the rear wheel found more traction, and they were able to push harder because they werent afraid. With the shock issues resolved, we refocused our attention on the maps that Twisted Development designed for usa mellow map and an aggressive mapand the stock map (for comparison). Second, our focus shifted over to two parts that we had already tested and knew workedthe FMF 4.1 RCT CRF450 dual-exhaust system and Rekluse TorqDrive clutch pack. They dont use the same spring rate, not by a long shot. Yes! To accomplish this, we made three engine upgrades before heading over to Twisted Development to let them handle the electronic side of it. As the brake power in the front faded, the lever became spongy. Is it necessary? Also need chain and sprockets and sliders. ProX supplied the hour meter, countershaft sprocket, rear sprocket and roller chain. Engine Tilt: I stumbled across this mod when Chad at XPR unexpectedly did this without me even knowing. Must-have parts and mods for a 2018 crf450r? A TM Designworks chain guide, Maxima oil and Viscid graphics pulled it all together. You also have the option to opt-out of these cookies. This website uses cookies to improve your experience while you navigate through the website. Worth the effort for me. Revalve by Enzo fixed issues I had with stock settings. helps with rear wheel traction as well as helps the rear end soak up small chop. But simply ramping up the compression later in the stroke can make things harsh in certain situations. Someone had put the wrong spring on the shock. The 201920 Honda CRF450 is the fastest bike of its class, and it is the second generation of the CRF450 after major changes were made to the model in 2017. As I mentioned above, though, chassis balance was important to me so the front end didnt feel overweighted due to a softer setting. For our CRF450 project, we wanted to keep the mega horsepower, but make it more pleasant on the track. Lets recap: After we added the J.E. We paired the suspension with Xtrig ROCS triple clamps to improve the stability of the forks while adding Xtrig PHDS (progressive handlebar dampening system) bar mounts to absorb uncontrolled impacts to our hands.

The Honda has so much power to work with that a little less hit as well as recovery actually helps me with cornering and allows me to be more aggressive on the Honda. I'd attribute that to possibly a placebo effect. The TorqDrive kit replaced the judder spring and eight stock metal and fiber plates with 12 Rekluse friction plates, 10 steel drive plates and new springs. The mid range recovery of the Akrapovic is not as good as the stock system, but honestly that is not a bad thing. The stock power delivery is a hoot on a smooth track, but once it gets rough, the hard-hitting powerplant generates a plethora of mistakes from the rider. Check out our latest Race Shop Build with a 2021 Honda CRF110 pit bike!

Our mufflers and header pipesare designed andbuilt in-house and put through our rigorous testingprocess. CV4:www.cvproducts.com Our three mods were motorcycle mechanics 101. Do you need this much power from a 450?

These plastic covers block airflow, and airflow is what keeps the rotors from overheating the pads.

The rear shock was set up for a sumo wrestler. If you dont know Chad, go back and listen to show #168 of the Keefer Tested Podcast. KTM USA GAINS FORMER 250 WORLD CHAMPION FOR 2023 SEASON, RIDER-TO-RIDER INTERVIEWS: TOMAC TALKS WORLD SUPERCROSS, DUNGEY TALKS RACING IN 2023, ROGER DECOSTER CRASHES AT WASHOUGAL: HIS CHAMPIONSHIP HOPES ARE DASHED, DUTCH TREAT! "I'm All for itI'll be on the Best 250!"

The slight increase in power down low produced less hit and a more usable powerband.