Product information "VHM COMBUSTION CHAMBER YAMAHA YZ 250 - STD"
VHM COMBUSTION CHAMBER
MODEL VARIANT:
STANDARD
COMBUSTION CHAMBER VOLUME:
20.60 cc
SQUEEZING EDGE DIMENSION:
1.50 mm
PISTON HEIGHT:
+2.80 mm
PISTON CROWN TYPE:
MILLED
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 ARTICLE NO.: AA33080
