« previous next »
Pages: [1]   Go Down

Author Topic: New piston, old cylinder needs bore?  (Read 1244 times)

0 Members and 1 Guest are viewing this topic.

Offline xedge4lifex

  • Trillz McGillz
  • Enthusiast
  • **
  • Posts: 176
New piston, old cylinder needs bore?
« on: October 11, 2012, 09:11:51 AM »
Finally ordered parts for my 1970 ct70 and i got a new piston and rings, old one was fried.
now ive heard that a piston and chamber wear together, and if you are putting in a new piston you NEED to get the cylinder bored, not just honed.
i honed the cylinder and it looks good to me no abnormal wear. is there something im missing? can i just throw the new one in?
Logged
Wake up, look up, there's a warmth up there
a reminder of peace, a reason to care.

Bonesaw

  • Guest
Re: New piston, old cylinder needs bore?
« Reply #1 on: October 11, 2012, 10:48:53 AM »
I've never heard that. I know you need to hone and use new rings, though.
Logged

Offline Killer Canary

  • Master
  • *****
  • Posts: 1,805
  • Typical Bran Muffin
Re: New piston, old cylinder needs bore?
« Reply #2 on: October 11, 2012, 12:27:33 PM »
Just measure the bore and ensure that it's within spec. I just rebuilt neighbour's z50; I got gaskets, piston, rings, pins, clips and new cylinder, honed already, for $107 to my door on ebay.
Logged
If it's worth doing at all it's worth over-doing.
Honda MT250, CB400F, CB450K, CB550, GL500, CBR929
Kawi GPz900, H1

Offline simon#42

  • Old Timer
  • ******
  • Posts: 2,591
  • liverpool
Re: New piston, old cylinder needs bore?
« Reply #3 on: October 11, 2012, 01:18:52 PM »
as long as the cylinder is within spec there is no reason why you cant just fit a piston , make sure you measure it accurately if its ok just fit a piston .
Logged

Offline xedge4lifex

  • Trillz McGillz
  • Enthusiast
  • **
  • Posts: 176
Re: New piston, old cylinder needs bore?
« Reply #4 on: October 12, 2012, 05:51:23 AM »
its within spec, the bike has like 400 miles on it... so yeah im just going to make sure the hone looks good and put the piston in. thanks for the feedback
Logged
Wake up, look up, there's a warmth up there
a reminder of peace, a reason to care.
Pages: [1]   Go Up
« previous next »