Author Topic: HONDA PISTON IDENTIFICATION  (Read 1299 times)

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Offline ty4

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HONDA PISTON IDENTIFICATION
« on: December 10, 2009, 09:17:02 pm »
picked up a small batch of piston and rings at bendigo swapmeet,have ID all but two pistons
was hoping the brains trust could help me out
one is 70mm
18mm pin
23mm top of pin to top of piston
shallow arch inlet 8mm
marks inside art    3       H       9519   


the other is
70.5mm
full skirt   
18mm pin
23mm top of pin to top of piston
blue paint dot on crown
marks inside art    H   1/2
so cr/mt 250?????
any help much appreciated

tony

Offline TeeBone

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Re: HONDA PISTON IDENTIFICATION
« Reply #1 on: December 10, 2009, 09:45:44 pm »
Just measured up the old Wiseco out of my CR250M....

18mm Gudgeon

23mm from top of pin to the top of piston edge(slight dome)

Full skirt....70mm was standard ;)
Destined to a life behind bars. A garage full of KTM's and a 73 CR 250M Honda....H7 250 Monty will be at Harrow!
A "never was" of the Nineties...

Offline ty4

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Re: HONDA PISTON IDENTIFICATION
« Reply #2 on: December 11, 2009, 05:09:14 pm »
thanks teebone
one down one to go