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Main Area => General GS500 Discussion => Topic started by: goat on July 10, 2004, 09:08:03 AM

Title: oversized pistons?
Post by: goat on July 10, 2004, 09:08:03 AM
How much extra power do you get using the .5mm oversized pistons? Just thinking about reboring ($2 more than rehoning at the shop I go to)

Do piston rings come with new pistons, or do they have to be bought separately?
Title: Uhhhh . none...
Post by: The Buddha on July 10, 2004, 04:26:45 PM
Uhhhh... none. Or pretty damn close to it. The extra weight of the pistons will cancel out any gains.. BTW hone it at home wiht one of those auto parts hones.... why not. I think I will... just using a drill press.
Cool.
Srinath.
Title: oversized pistons?
Post by: dgyver on July 10, 2004, 05:14:42 PM
If you are going to do it, might as well put in the 75mm pistons. There is a small noticable difference. Increased compression since the dome of the pistons are higher. Also has valve reliefs. I think they do come with rings.
Title: oversized pistons?
Post by: Blueknyt on July 10, 2004, 09:19:45 PM
i can get 75mm rings pretty cheap without having to buy pistons.  about 40$ per set.