Engine Parts
Piston Kit Yamaha Yz450f 14.0:1 Cr
Part # 0910-6935
$388.95
NY: 0
National: 0
- —R&D developed to provide dyno-proven power gains
- —Asymmetric skirt design for improved wear and even loading on major thrust skirt
- —Precision fit ring; custom-lapped compression ring for improved power
- —100% billet machined for superior strength-to-weight ratio and optimized fit
- —High compression (14:1 for 450cc, 14.5:1 for 250cc) for maximum torque and throttle response
- —Dome design improves flame travel to maximize air/ fuel burn efficiency
- —DLC-coated piston pin reduces friction and improves scuff resistance
- —Enhanced pin oiling for improved lubrication and reduced friction
- —Pressure seal groove reduces ring lifting and power loss
- —ArmorGlide® skirt coating reduces friction for quieter operation, improved scuff resistance
- —Pistons include rings, pin, and circlips
- —Made in the USA
Calculated shipping at checkout
30-day returns on unused parts
Ships in 1–3 business days
Specifications
Bore - OversizeStandard
Engine Type4-Stroke
Displacement450 cc
ModelRacer Elite Series
UnitsKit
Bore Size97.00 mm
Compression Ratio14.1:1
Product NamePiston Kit
Skirt CoatingArmorGlide®
Bore - OversizeStandard
Piston MaterialForged 2618 Aluminum
Riding StyleOff-Road
Weight0.94 lbs
Dimensions (L x W x H)4.76" x 4.72" x 4.21"
Fits These Vehicles (5)
WR450F2025
YZ450F2025
YZ450F2024
WR450F2024
YZ450F2023
Not sure it fits? Call our Harley techs at 607-654-7431.






















