Hello

I discovered that one of the reasons why the bike is throwing smoke might be a scratched cylinder wall, if not, I just think i'ts not nice to have a scratched cylinder.


The engine is stock.

Could I try to fix this and take advantage of it gettin bigger compression pistons and just machining the cylinder a bit to make room for the bigger pistons? I've never donde that, I've usualy gone the "buy it " way, but i want to avoid spending on new pices it it can be fixed.


For those involved in previous engine modifications or restorations this may seem too obvious, but i sincerely don't know.

Any help will be apreciated.

Thanks

 

yes it's cheaper to repair than buy - you need to find a local machine shop and let them look. depending on how worn your cylinders are and how deep the scratch is you may get away with just a fresh hone and rings and re-use your pistons. you'll never know until they are measured with precision. joe

 

thanks joe

 

Have a well-equipped shop measure piston/wall fitment, and also have them take a look at valve stem/guide fitment.
At that point follow their advice and you should be able to 1), end any smoking issues, and 2), realize new power as well.
Scott

 

Anything you buy for a shovel that doesn't cost as much as the bike did needs to be checked & sized anyway , as Hills Country said find a decent shop and have it reworked is will be cheaper .

 

But still it is an assumption that the cylinders are scratched. You can check it out and see if that is so.