[Components] ・1 x Monkey Type Z Forged Piston for 12V ・Low friction taper piston pin (short type) x 1pc. ・Piston ring for race x 1 set ・Piston clips x 1 set
*Not compatible with FI monkeys. *This part is for competition use only for bikes that incorporate a Type Z cylinder and cylinder head.Cannot be installed on a stock head.Some 6V engines (later models) should use this piston.
Forged pistons for users with Type Z Headset Big Bore Kit. Applicable engine stroke is 41.4mm (stock crankshaft specification). Parts for competition use only for bikes incorporating Type Z cylinders and cylinder heads.
・The one with a punch mark on the valve recess when the piston is installed is the IN side.
・If piston shoulder ⇔ piston pin center = 17mm, please select 12V Big Bore kit. ・If piston shoulder ⇔ piston pin center = 20mm, please select 6V Big Bore kit.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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