Search found 5 matches

by galpharm
Sun Feb 15, 2009 12:51 pm
Forum: Lambretta Tech
Topic: crank balancing
Replies: 6
Views: 3391

Re: crank balancing

57% or 65%?
by galpharm
Sat Feb 14, 2009 8:09 pm
Forum: Lambretta Tech
Topic: GT Kit Carb Problem
Replies: 8
Views: 2764

Re: GT Kit Carb Problem

Hello I am running GT 206 with 25 dellorto and JL3 but use same jetting with clubman except moved the clip up 2 for clubman. Originally i used Aq266 with D24 atomiser and needle but had a siezure. After rebore i have run Aq 268 and D22 as recomende by Patch at Scooter Surgery and it runs very well. ...
by galpharm
Sat Feb 14, 2009 9:35 am
Forum: Lambretta Tech
Topic: crank balancing
Replies: 6
Views: 3391

Re: crank balancing

Still confused. Searching the web i have found that 50%-57% is quoted as best for single cylinder.
We are off to Bristol Classic bike show today so i will ask a few questions
by galpharm
Fri Feb 13, 2009 5:03 pm
Forum: Lambretta Tech
Topic: crank balancing
Replies: 6
Views: 3391

Re: crank balancing

Thanks Tony. Talked to them today and they balance dynamically which meens taking in short block which i may do at a later date. After another conversation with the tuner we have decided for mid range we are going with 65% as this is what he uses for single cylinder motorcross bikes. So we are going...
by galpharm
Thu Feb 12, 2009 9:04 pm
Forum: Lambretta Tech
Topic: crank balancing
Replies: 6
Views: 3391

crank balancing

I am building a 225 Mugello with 60mm crank and 1mm packer. new light mugello piston
Also altering porting to 175 exhaust and 150 inlet with 30mm Mikuni and Jl3 exhaust.
I have talked to a local 2stoke motorcycle tuner that can balance cranks but we are unsure of balance percentage to use.
Any ideas