In stock
Wossner Piston Kit — 94.95 mm — Yamaha
- Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
- Lightweight piston with a tight piston wall clearance for a quieter running engine
- Skirt coated for reduced friction and improved break in performance
- Ring land treatment for improved ring seal and oil control
- Double bridged forging design where noted
$204.00
In stock. Ships in 2–4 business days · free shipping over $150.
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Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
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Description & features6 features
62.00 mm stroke for '04-'05.
63.40 mm stroke for '06-'24.
Kit Includes:
• Piston #8784DA
• Ring Set #RIK95.00
• Wrist Pin #WP029-SP
• Retaining Clips #CW20
- Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
- Lightweight piston with a tight piston wall clearance for a quieter running engine
- Skirt coated for reduced friction and improved break in performance
- Ring land treatment for improved ring seal and oil control
- Double bridged forging design where noted
- Kit includes piston, rings, wrist pin and pin locks
Specifications14 specs
- Bore - Oversize
- Standard
- Compression Ratio
- 12.3:1, 12.5:1, 12.0:1, 12.6:1
- Piston Size
- 94.95 mm
- Bore Size
- 95.00 mm
- Riding Style
- ATV
- Stroke Length
- 63.40 mm, 62.00 mm
- Style
- Standard Size A
- Units
- Kit
- Model
- Pro Series
- Piston Material
- Forged, Aluminum Alloy
- Engine Type
- 4-Stroke
- Shipping weight
- 0.96 lb
- Package size
- 4.5 × 4.3 × 2.7 in
- Country of origin
- Germany
Fitment9 models · Yamaha
Yamaha9 models
- YFZ 450 LE 4x22004–2005
- YFZ 450 SE 4x22006
- YFZ4502004–2009
- YFZ450 Bill Balance Edition2006–2007
- YFZ450 SE2007–2008
- YFZ450R2009–2026
- YFZ450R SE2009–2025
- YFZ450X2010–2011
- YFZ450X SE2011
Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.
Part numbers
- Salto part #
- 0910-6123
- Wossner part #
- 8784DA
Shipping
In stock. Ships in 2–4 business days by ground.
Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.
Questions4 answers
- Is it in stock?
- Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
- How fast will it get to me?
- Usually 2–4 business days by ground.
- Will it fit my machine?
- It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
- Is this genuine Wossner?
- Yes. It’s new and genuine, straight from Salto — Wossner part #8784DA.
