I just did a couple engines and learned a bit. The clearance reguired depends on the alloy used. JE uses a high silicoln alloy that reduces the thermal expansion of the piston. They recomend .0025 to .003
On the other engine I used some 15 year old Aria pistons. I contacted them directly for ...
Search found 3 matches
- Mon Mar 08, 2010 1:58 pm
- Forum: Roundcase Engines > 750 GT, 750 Sport & 750 Super Sport
- Topic: Piston to Cylinder Clearance
- Replies: 5
- Views: 10525
- Sun Jun 22, 2008 10:24 am
- Forum: Single Cylinder Bevel Drive Engines > 250, 350 & 450
- Topic: 350 D oil leak help
- Replies: 3
- Views: 8512
Thanks for the good info. I have changed the oil and and refilled with the proper amount. I have also checked the breather. you can feel a lot of air movement so it isn't stopped up. I was wondering if the engine might have so much blowby that it is just presurizing the crankcase and forcing the oil ...
- Wed May 28, 2008 8:58 am
- Forum: Single Cylinder Bevel Drive Engines > 250, 350 & 450
- Topic: 350 D oil leak help
- Replies: 3
- Views: 8512
350 D oil leak help
Hello everyone, I have recently cleaned off 20+ years of cobwebs from a 1969 mk3D. After some electrical trouble shooting, fresh oil,carb rebiuld, and my first desmo valve adjustment it is running well. I thought I was ready to do some riding and then I noticed the oil leak coming from behind the ...