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Engines and Components› Pistons and Piston Rings
Vertex Pistons
Vertex Piston 02-04 Honda CR 250 R 250cc Top End Piston Kit
SKU: V046 VTK22809B
Advanced — 4+ hours
Overview
The piston is heat-treated with a T-5 hardening and tempering cycle. Its skirt is coated with Molybdenum Disulphite for a faster break-in period and extended piston life. This kit is intended for off-road riding and has a standard compression ratio.
Show original supplier description
Part #: VTK22809B
Exact fit A, B or C pistons match your cylinder bore perfectly to maximize power and performance, while reducing blow-by and oil consumption. All piston kits include piston, rings, wrist pin and circlips required.
Vehicle Symptoms
- Loss of compression and hard starting
- Low power and poor throttle response
- Excessive smoke from exhaust
- Knocking or pinging under load
- Engine won't idle properly
Relevant Conversations
- loss of compression 2 stroke engine
- hard starting 2 stroke dirt bike
- low power top end rebuild
- Vertex piston kit VTK22809B review
- 2 stroke piston replacement symptoms
- best piston kit for 66.35mm bore
- 2 stroke top end rebuild cost
- how to install 2 stroke piston rings
- 2 stroke piston slap fix
- dirt bike smoking after top end rebuild
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 | Vertex Pistons |
| Part Number | V046 VTK22809B |
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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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