Denco H2 Porting Specs
Exhaust |
87.25 deg. ATDC, 35mm from cylinder top |
Transfer |
122 deg. ATDC, stock |
Intake |
100 deg. ABDC, remove 3.5mm from intake side of piston skirt |
Exhaust Port Width |
Stock, DO NOT widen, raise entire port roof maintaining stock shape as closely as possible. |
Ignition Timing |
Stock, set precisely |
Piston Clearance |
.0038" with stock pistons |
Cut Heads |
.030" |
Chambers |
Denco slienced 01-1 or 01-1C |
Main Jet |
107.5 to 115 (start rich) |
Spark Plugs |
Champion L55G |
Optional |
Competition clutch
springs 03-1 |
Max. H.P. |
95 at 8700 ROM |