A forum for owners of Yamaha TTR250 trail and enduro bikes!

Members Login
Username 
 
Password 
    Remember Me  
The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> Piston rings ??
Post Info TOPIC: Piston rings ??
Richie Blyth


Veteran Member

Status: Offline
Posts: 34
Date:
Piston rings ??
Permalink  
 

Can anyone tell me what size piston and rings are in a TTR ??

 



__________________
TTRfan


Super Guru

Status: Offline
Posts: 8606
Date:
Permalink  
 

The standard bore is 72.95mm - is that what you mean?

Four oversizes are available in 0.5mm stages.

You buy rings to suit the piston which means that, if you don't know the history of the engine, you need to get the head off to check the markks on the crown of the piston - or measure it wink

Brian



__________________

Exeter, Devon, UK

http://www.ttr250.com  - The one and only dedicated TTR250 FAQ!  

TIP: For easy viewing bookmark the "Recent Posts" view - http://ttr250.activeboard.com/p/recent/ 
Richie Blyth


Veteran Member

Status: Offline
Posts: 34
Date:
Permalink  
 

yeah done that , measured it, 73mm . markings on piston are BSB & SK1 anyone know what these marks mean?? 



__________________
Page 1 of 1  sorted by
 
Quick Reply

Please log in to post quick replies.
The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> Piston rings ??


Create your own FREE Forum
Report Abuse 		Powered by ActiveBoard