Name: Vertex 2 Wheeler Piston Kits (Yamaha)
Brand: Vertex
SKU: VERTPKYA
Availability: BackOrder

Vertex 2 Wheeler Piston Kits (Yamaha)

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Stock is checked weekly for this product and deemed to be in stock now if able to add to basket. We will notify you if this item is sold out upon ordering.

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Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption
2-stroke pistons have an 18% silicon content which decreases wear and thermal expansion, allowing for tighter running tolerances for more power, less noise, and longer lifespan
High-tech Molybdenum Disulphide (MOS2) skirt coating for reduced wear and improved break-in
4-stroke pistons are forged from either 2618 or 3032 alloys for superior strength and durability
All piston kits include piston, rings, wrist pin, and circlips
Cast and Forged Replica pistons are OE replacements with stock OE compression ratios
Cast and Forged Race pistons are unique with only one compression ring
Forged Hi-Comp pistons increase compression and power over Replica pistons
Forged GP Racer’s Choice pistons have T-box forgings, unique dome profiles, surface treatments, and increased compression ratios to produce more power, strength, and durability
Big Bore pistons increase displacement and power while maintaining stock compression ratios

Part numbers in this product:

22154B | 22154B | 22356A | 23127A | 23127B | 23941A | 23941B | 24109A | 24109B | 24371A | 24371B | 22567A | 22605A | 23958A | 23958B | 24270A | 24270B | 24448A | 24448B | 22915A | 22915B | 22224B | 22441B | 22520A | 22806B | 23119A | 23119B | 24444A | 24444B | 24570A | 24570B | 22584A | 22584B | 22805A | 22805B | 23391A | 23391B | 23562A | 23562B | 23562D | 24352A | 24352B | 22500A | 24370A | 24370B | 24503A | 24503B | 23547A

Sub Category	Pistons
Model	XT250 (13-23), YZ125 (02-04), YZ125 (05-21), YZ125X (20-22), YZ125 (22-25), YZ125X (23-25), YZ125 (94-96), YZ125 (97), YZ125 (98-01), YZ250 (90-95), WR250 (91-95), YZ250 (96-98), WR250 (96-97), YZ250 (99-25), YZ250X (16-25), YZ250F (01-04), YZ250F (05-07), WR250F (01-13), YZ250F (08-13), YZ250F (14-15), YZ250FX (15-16), WR250F (15-17), YZ250F (16-18), YZ250FX (17-19), WR250F (18-19), YZ250F (19-25), YZ250FX (20-25), WR250F (20-25), YZ400F (98-99), WR400F (98-00), YZ426F (00-02), WR426F (01-02), YZ450F (03-09), WR450F (03-15), YZ450F (10-13), YZ450F (14-17), YZ450FX (16-18), WR450F (16-18), YZ450F (18-19), YZ450FX (19-20), WR450F (19-20), YZ450F (20-22), YZ450FX (21-23), WR450F (21-23), YZ65 (18-25), YZ80 (93-01), YZ85 (02-25)
Piston Size	A – 43.450mm \| Bore: 43.500mm \| Compression: Std (Cast Replica), A – 46.950mm \| Bore: 47.000mm \| Compression: Std (Cast Replica), A – 47.450mm \| Bore: 47.500mm \| Compression: Std (Cast Race Evolution), A – 47.450mm \| Bore: 47.500mm \| Compression: Std (Cast Replica), A – 53.930mm \| Bore: 54.000mm \| Compression: Std (Cast Race Evolution), A – 53.930mm \| Bore: 54.000mm \| Compression: Std (Cast Replica), A – 53.940mm \| Bore: 54.000mm \| Compression: Std (Cast Replica), A – 66.340mm \| Bore: 66.400mm \| Compression: Std (Cast Replica), A – 66.340mm \| Bore: 66.400mm\| Compression: Std (Cast Replica), A – 67.940mm \| Bore: 68.000mm \| Compression: Std (Cast Replica), A – 67.950mm \| Bore: 68.000mm \| Compression: Std (Cast Replica), A – 73.950mm \| Bore: 74.000mm \| Compression: 10.75:1 (Forged Replica), A – 76.940mm \| Bore: 77.000mm \| Compression: 12.5:1 (Forged Replica), A – 76.950mm \| Bore: 77.000mm \| Compression: 13.5:1 (Forged Replica), A – 76.950mm \| Bore: 77.000mm \| Compression: 13.8:1 (Forged Replica), A – 91.930mm \| Bore: 92.000mm \| Compression: 12.5:1 (Forged Replica), A – 94.930mm \| Bore: 95.000mm \| Compression: 12.5:1 (Forged Replica), A – 96.930mm \| Bore: 95.000mm \| Compression: 12.5:1 (Forged Replica), A – 96.930mm \| Bore: 97.000mm \| Compression: 12.5:1 (Forged Replica), A – 96.950mm \| Bore: 97.000mm \| Compression: 12.8:1 (Forged Replica), B – 43.460mm \| Bore: 43.500mm \| Compression: Std (Cast Replica), B – 47.460mm \| Bore: 47.500mm \| Compression: Std (Cast Race Evolution), B – 47.460mm \| Bore: 47.500mm \| Compression: Std (Cast Replica), B – 53.940mm \| Bore: 54.000mm \| Compression: Std (Cast Race Evolution), B – 53.940mm \| Bore: 54.000mm \| Compression: Std (Cast Replica), B – 53.950mm \| Bore: 54.000mm \| Compression: Std (Cast Replica), B – 66.350mm \| Bore: 66.400mm \| Compression: Std (Cast Replica), B – 66.350mm \| Bore: 66.400mm\| Compression: Std (Cast Replica), B – 76.950mm \| Bore: 77.000mm \| Compression: 12.5:1 (Forged Replica), B – 76.960mm \| Bore: 77.000mm \| Compression: 13.5:1 (Forged Replica), B – 76.960mm \| Bore: 77.000mm \| Compression: 13.8:1 (Forged Replica), B – 96.940mm \| Bore: 95.000mm \| Compression: 12.5:1 (Forged Replica), B – 96.940mm \| Bore: 97.000mm \| Compression: 12.5:1 (Forged Replica), B – 96.960mm \| Bore: 97.000mm \| Compression: 12.8:1 (Forged Replica), D – 96.960mm \| Bore: 97.000mm \| Compression: 12.5:1 (Forged Replica), O/S – 79.950mm (+3.00mm) \| Bore: 80.000mm \| Compression: 13.5:1 (Forged Big Bore)

BODY PARTS & ACCESSORIES

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WHEELS

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CONTROLS

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ENGINE PARTS

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Vertex 2 Wheeler Piston Kits (Yamaha)

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