Author Topic: 509 pistons are the same spec as the 364 etc  (Read 883 times)

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Offline Freakshow

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509 pistons are the same spec as the 364 etc
« on: June 01, 2009, 11:11:11 pm »
just checking 509 - pistons are the same as the 364 yams aent they.

ok let me clarify they fit MX 250 pre 73/74 as well right
74 Yamaha YZ's - 75 Yamaha YZ's
74 Yamaha  flattracker's
70  Jawa 2 valve speedway's

For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff


Offline Freakshow

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Re: 509 pistons are the same spec as the 364 etc
« Reply #2 on: June 02, 2009, 06:08:41 pm »
thats what i thought, so they have the same cut away as the yz etx, but the pins and heghts etc are all the same ? no tweeking required.
74 Yamaha YZ's - 75 Yamaha YZ's
74 Yamaha  flattracker's
70  Jawa 2 valve speedway's

For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff