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Exterior Components› Body Panels and Components
Wiseco
Wiseco, Top End Gasket Kit, Honda CR250R '90-91
SKU: W00C W5271
Advanced — 4+ hours
Overview
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Part #: W5271
Wiseco offers top-end, bottom-end, and other gasket kits for many dirt bike, street bike, ATV, UTV, PWC, and snowmobile applications. Wiseco gasket kits deliver OEM+ quality for convenient and reliable rebuild jobs.
Features:
- Gasket kits supply all gaskets and seals specified under one part number
- Manufactured by leading gasket suppliers
- Inspected for quality and accuracy
- A must-have to get every rebuild done right!
Wiseco, Top End Gasket Kit, Honda CR250R '90-91
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Hard starting or no start
- Loss of power during acceleration
- Excessive smoke from exhaust
- Low compression when tested
- Engine knocking or rattling noises
Relevant Conversations
- 1990 Honda CR250 top end gasket kit
- Wiseco W5271 top end gasket kit CR250R
- CR250 top end rebuild gasket set
- Honda CR250R loss of compression fix
- CR250R hard starting after top end rebuild
- Best gasket kit for 1991 CR250R top end
- CR250R smoking from exhaust top end issue
- Wiseco vs OEM CR250 gasket kit
- CR250R top end gasket kit install tips
- CR250R piston and gasket kit combo
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 W5271 |
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About MOTORMIA
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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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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
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