Product information "VHM COMBUSTION CHAMBER YAMAHA YZ 85 - STD, 12° PISTON"
VHM COMBUSTION CHAMBER
MODEL VARIANT:
STANDARD
COMBUSTION CHAMBER VOLUME:
8.40 cc
SQUEEZING EDGE DIMENSION:
1.30 mm
PISTON HEIGHT:
+0.00 mm
PISTON CROWN TYPE:
12° FLAT FLOOR
PROPERTIES:
Optimal tuning in terms of overall performance. Good low and mid range torque and still good torquey top end power. Good peak power without a "hole" in the lower rpm range
Optimum overall performance across the entire rev range.
ONLY SUITABLE FOR VHM CYLINDER HEAD: AA33176
AND VHM 12° PISTON: APYZ08521757
Suitable for: YAMAHA YZ85 2019 2023
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