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Old 04-10-2014, 12:17 PM   #14
Gnarly Adventurer
Joined: Jan 2005
Location: Auckland New Zealand
Oddometer: 170
Oilhead pistons are 59mm across the flats, while Airhead pistons are 67mm across the flats. That's not an Oilhead wrist pin.
But the OP measures 74.3 mm for his air head pin....

i've had them in my 91gs for many and cheapest thing you can do to improve a gs imho.
So you actually had oil head pins in your air head ?

I'm confused now .....
BOETJE is offline   Reply With Quote