Search found 5 matches

by 2 YamaDoo
Wed Jan 09, 2013 10:26 am
Forum: Sno-Twister/Trail Twister Technical Help
Topic: 1976 340 T/T jet needle size
Replies: 0
Views: 11035

1976 340 T/T jet needle size

Is 6DH2 the correct jet needle?
clipped 2'nd from the top?
by 2 YamaDoo
Tue Nov 20, 2012 3:21 pm
Forum: Sno-Twister/Trail Twister Technical Help
Topic: 1976 340 T/T timing
Replies: 0
Views: 5455

1976 340 T/T timing

I lined up to the middle timing mark. Is this correct?
by 2 YamaDoo
Fri Mar 02, 2012 7:27 am
Forum: Sno-Twister/Trail Twister Technical Help
Topic: 340 to 440 conversion
Replies: 5
Views: 7065

Re: 340 to 440 conversion

It's already a 340.
I think I can source cylinders, pistons and heads for a 440. Not sure about the carbs and intake though.
by 2 YamaDoo
Thu Mar 01, 2012 8:16 am
Forum: Sno-Twister/Trail Twister Technical Help
Topic: 340 to 440 conversion
Replies: 5
Views: 7065

Re: 340 to 440 conversion

Is it worth doing, or should I keep it original?
What top speed can I expect from a fresh 340?
by 2 YamaDoo
Wed Feb 29, 2012 2:12 pm
Forum: Sno-Twister/Trail Twister Technical Help
Topic: 340 to 440 conversion
Replies: 5
Views: 7065

340 to 440 conversion

Hi all, new to the site I recently aquired a 76 trail twister with low compression on the pto side (95 lbs). A little scuffing on the piston sides and some flaking of the cylinder. I'd like to know if the bottom half (cases and crank shaft) are the same for both the 340 and 440. I believe the stroke...