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Honda CRF450L Valve Adjustment / Shim Thickness Calculation

John T. Young 7,475 3 years ago
Video Not Working? Fix It Now

Don't let adjusting your Honda CRF450L's valves scare you. In this video, we'll go through the steps to pull your cam, remove the old shim, calculate how thick the new shim needs to be, then re-assemble everything. All you'll need is your basic set of tools, a set of thickness gauges, a micrometer (or not), and a torque wrench. Here's the "How to Check Your Valve Clearance" video - https://youtu.be/kg_k53Ah864 FOR THE RECORD: I did not have to adjust this valve at this point. At 13,000 miles the valve was still in spec, but I had the top end open so I made a video of what a valve adjustment would look like, if it needed one. HUGE Shout Out to my Patreon Patrons - You guys and gals keep me making videos when all I want to do is RIDE. https://www.patreon.com/JohnTYoung More Me - https://www.johntyoung.org Upshift Online - https://www.upshiftonline.com/magazine-issue/november-2020 Wish List https://www.amazon.com/hz/wishlist/ls/32JHT91R6VCPB? On the 911 Bike: Adventure Spec Nav Tower - https://bit.ly/2Ijvfq1 12oCLock Labs Advanced Mini Gauge - https://bit.ly/3pf0z9V Rowe Electronics PDM60 Power Module - https://bit.ly/3mo18MP AXP Extreme Skid Plate - https://bit.ly/32tu5ir Bajaworx KTM Windscreen - https://www.bajaworx.com/ Motoz Hybrid Xtreme Tires - https://bit.ly/3kfUeaF Rekluse Radius CX Clutch - https://bit.ly/35aKx9g OEM Front Sprocket - https://bit.ly/2U9h2hJ SuperSprox 53T Stealth Rear Sprocket - https://bit.ly/3eEWK9l D.I.D. ERVT 520 Chain - https://bit.ly/3pkbjUP Yoshimura RS4 Exhaust - https://bit.ly/3eG6IqV Tokyo Mods Vortex ECU - https://bit.ly/3ndIdVf San Diego Power House Thermostat Delete - https://bit.ly/3lfu09F Skaggs Rack - https://bit.ly/35epEdc Flatlands Racing Tail Tidy - https://bit.ly/2U6S9Dp Scots Steering Damper - https://bit.ly/38ncsEV Nomad 20L Tank - https://bit.ly/2JSsxZ1 Twin Air Filter - https://bit.ly/3kePoKA Seat Concepts Comfort XL Low - https://bit.ly/2U9fjcb Zeta Levers, Chain Guide, Heel Plate, Front Sprocket Cover, Bash Guards, Revolver Shift Lever - https://bit.ly/36nvp7E Stegz Pegz - https://bit.ly/3kkTotq Pivot Pegz - https://bit.ly/35dx3cT Race Tech 6.0 Shock Spring - https://bit.ly/3pf6M5G Baja Designs Squadron Pro/S2 Headlight Kit - https://bit.ly/3kig90S Double Take Mirrors - https://bit.ly/3p9yAIJ Acerbis CRF450RX Frame Guards - https://bit.ly/3eERa6V Pro Taper Steering Damper Low Bars and Pillow Grips - https://bit.ly/3nccCDj Daemon Grip Heaters - https://bit.ly/2IktFEj G2 Ergonomics Throttle Tamer - https://bit.ly/3lgMoPj Mosko Moto Reckless 80 and Hood 5 Tank Bag - https://moskomoto.com/ DeCal Works Graphics Acerbis Front Fender etc... What I wear: Aria XD-4 Helmet - https://bit.ly/36yTx7J Kriega Trail 18 Backpack - https://bit.ly/36jh0t9 Oakley Airbrake Goggles - https://bit.ly/3n8PZiZ Klim Aggressor Cool -1.0 LS Shirt - https://bit.ly/35bCCIE Klim Tactical Pants - https://bit.ly/3paZikn Forcefield EX-K Hardness Adventure Protector - https://bit.ly/2U7Zn9Y Mosko Moto Basilisk Jacket - https://bit.ly/3pdYTO8 Arc'Teryx Atom SV Jacket - Mosko Moto Woodsman Enduro Pants - https://bit.ly/3kfylIo AlpineStars SX-1 Knee Guards - https://bit.ly/3pbq9g7 SIDI Crossfire TA3 Boots - https://bit.ly/3lfBVDV Darn Tough Over-the-Calf Padded Cushion Ski Sock - https://bit.ly/38ypqzw Jersey Gloves #crf450l #crf450lrally #valveadjustment

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