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Engines and Components› Engines, Blocks and Components
Wiseco
Wiseco, Garage Buddy Complete Engine Rebuild Kit, 85.00 mm Bore, 10:1 CR
SKU: W00C PWR131B-850
Moderate — 2–4 hours
Overview
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Part #: PWR131B-850
Wiseco's Garage Buddy Complete Engine Rebuild Kits helps save time and money, whether you are working on a dirt bike, UTV or ATV. Available for a wide variety of popular powersports applications, the Complete Engine Rebuild Kits help make powersports engine maintenance hassle-free. The kit includes - A complete crankshaft assembly and OEM-quality main bearings, all necessary gaskets, seals, and O-rings, Wiseco forged piston kit(s) including necessary piston components, Small-end bearing (for two-stroke motorcycle applications), and an hour meter and assembly lube. Covered under 90-day/10-hour warranty against manufacturer defects, the Complete Engine Rebuild Kits give you everything you need for a quick and efficient rebuild.
Features:
- Precision-machined rotating and reciprocating rebuild kit - includes all top and bottom-end components for a complete engine rebuild!
- Free Wiseco hour meter and bracket included to track maintenance intervals
- Complete crankshaft with precision machined crank webs for ultimate strength and durability and copper-plated, heat-treated, shot-peened connecting to remove residual stress and smooth surface blends
- Quality forged piston kit includes rings, wrist pin, and circlips
- Also includes complete top and bottom end gasket kits
- Covered under 90-day/10-hour limited warranty
Wiseco, Garage Buddy Complete Engine Rebuild Kit, 85.00 mm Bore, 10:1 CR
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Loss of power and acceleration on my 2006 TRX400EX
- Excessive oil consumption and blue smoke from exhaust
- Engine knocking or ticking noise under load
- Hard starting and rough idle after warm-up
- Low compression readings on all cylinders
Relevant Conversations
- TRX400EX complete engine rebuild kit Wiseco
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- How to rebuild Honda 400EX engine step by step
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- Honda TRX400EX top end rebuild vs complete rebuild
- Best engine rebuild kit for Honda TRX400X
- TRX400EX smoking exhaust fix
- Wiseco garage buddy complete rebuild kit for 400EX
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Wiseco |
| Part Number | W00C PWR131B-850 |
Videos
I Bought a NEW Wiseco Crank For My Honda 400ex...How Long Will It Last?
Trx400ex/XR400 How to Install New Crank & Bearings. Bottom End Part 2
Honda 400ex Build - Part 12 Lost - Motor Top End, Piston, Ring End Gaps, Intake Boot, Exhaust Studs
Part 4 TRX400ex Complete Bottom End Rebuild
Rebuilt Honda 400ex vs Honda 400ex Stage 2 Hotcams (WATCH THIS RACE!)
Trx400ex Bottom End Part 1 How to Split Cases
Honda 400ex Build - Part 7 - Motor Engine Bottom End Crankcase Bearing, Crankshaft, Counter Balancer
Honda 400ex Full Engine Rebuild |Tearing The Quad Down
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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