benckie
Well-Known Member
Stock head gaskits sizes for CY and Zen 2 stroke engines
stock (28mm crankshaft) head gaskit size is 0.020 a stock papper gaskit or aftermarket 0.020 copper gaskits
1mm stroker crankshaft (29mm crank) head gaskit size is 0.040 will increase engines size by 1cc.
To achieve 0.040 on a 1mm stroker crank you can use two papper gaskits or one 0.040 copper gaskits
2mm stroker crankshanft (30mm crank) head gaskit size is 0.060 will increase engine size by 2cc.
To achieve 0.060 on a 2mm stroker crank you can use 3 stock papper gaskits or one 0.020 copper and two stock papper gaskits (usualy seals well and don't leak) or one 0.040 copper gaskit and one stock papper gaskit
stock (28mm crankshaft) head gaskit size is 0.020 a stock papper gaskit or aftermarket 0.020 copper gaskits
1mm stroker crankshaft (29mm crank) head gaskit size is 0.040 will increase engines size by 1cc.
To achieve 0.040 on a 1mm stroker crank you can use two papper gaskits or one 0.040 copper gaskits
2mm stroker crankshanft (30mm crank) head gaskit size is 0.060 will increase engine size by 2cc.
To achieve 0.060 on a 2mm stroker crank you can use 3 stock papper gaskits or one 0.020 copper and two stock papper gaskits (usualy seals well and don't leak) or one 0.040 copper gaskit and one stock papper gaskit