Tomei Powered PISTON KIT - Manual (Page 23)

7. ASSEMBLY VERIFICATION
① Check the clearance of the piston in relation to the position oil jet during rotation.
② Check that neither the Crank weight nor Piston Skirt has any interference.
③ Confirm that the Piston does not protrude more than required from the cylinder bore at
Top Dead Center.
④ Be sure to calculate the final compression ratio once done.
V
1
: 1 Cylinder Displacement (cc)
V
2
: Combustion Chamber Volume (cc)
V
3
: Gasket Capacity (cc)
V
4
: Crown Capacity (cc)
V
2
+ V
3
+ V
4
8. REPAIR PARTS & SERVICING
The Pistons specification may change, at anytime, without prior notification.
Please confirm compatibility when ordering replacement parts when you require to service, rebuild,
or repair the engine after long term use.
Compression
Ratio =
V
1 +1
V
2
V
3
V
1
V
4
V
2
V
3
V
1
V
4
p g g
23