Use in combination with VHM head AA33041 and 12° VHM piston kit APYZ08521757.
More top
Best for hard ground/enduro
This insert does not fit into an OEM head, only a VHM cylinder head.
Specifications
Part number
AE32059-197
Type
Optional
Volume [cc]
8.60
Piston height [mm]
0.00
Squish [mm]
1.30
Piston crown shape
Flat top 12°
Bore
Ø52.50
Applications
Application
Make
Model
Year
Motocross
Yamaha
YZ85
2002-2018