Yamaha GP 643, the good the bad the ugly. - Vintage Sleds
2017年10月4日 · A lot of people don't like the big 643. I suspect because of the splined pto and dedicated clutch and lack of PTO support bearings. The recoil side you can also convert to using the 292 recoil and cup and ditch the big ring gear. Takes some weight off and they spin up better. I had a 643 in a 75 snojet chassis and I liked it. It's a very ...
1973 yamaha ew643b | SnoWest Magazine - SnoWest Snowmobile …
Kevin Lehse of Fairhaven, Minn., found a real keeper, a rare 1973 Yamaha EW643B, an electric start, wide-track, with only 120 original miles on it! Kevin acquired this relic from a fellow snowmobiler in Annandale, Minn., who would only take it out and about on the lake for a spin once in a blue moon, so it was in super condition and he had no ...
1971-1974 Yamaha GP-SL/292/338/396/433/643 - Facebook
group for yamaha gp/sl snowmobile tech and parts.
1973 Yamaha Ew643b - Snowmobile World
2004年8月26日 · This is what Yamaha thought was going to replace the CV clutches on snowmobiles. It is a 1973 Yamaha EW643. 643 cc engine, electric start, 18" wide track, 2 speed tranny with neutral, tach, speedo, everything but a cigarette lighter.
1972 Yamaha Factory Race Team SR 643 YZ703-B-02 - Vintage Sleds
2018年3月13日 · First was the regular SR 643 serial number stamped in the back to the left of the snow flap that reads SR643-00103, which along with the factory YZ serial number are the lowest serial numbers, factory and regular, of any SR 643 known, pretty cool.
Vintage Sled Horsepower Ratings Thread | Page 2 - Hardcore Sledder
2007年3月13日 · Yamaha SSR 643 - 643cc - 70hp @ 7,000 rpm. I will post more sleds list in later! Thanks Kenneykole. Does anyone know what the hp's were on these sleds?
1973 Yamaha SR 643 - Vintage Sleds
2018年9月8日 · Came with a mostly complete 73 SR 643 engine that was in good shape. Motor mount came with it also, very nice shape and was drilled out for the update bearing holder/brace. I had just gotten the sled/engine stripped and was starting to send stuff out for plating/chrome when I had a conversation with Bob Weaver about a sled.
1973 yamaha sr 643 - Snowmobile World
2001年11月29日 · A forum community dedicated to snowmobile owners and enthusiasts. Come join the discussion about performance, troubleshooting, trails, maintenance, riding tips, modifications, classifieds, accessories, and more!
Yamaha Ew643b - Snowmobile World
2004年11月6日 · I have a 1973 Yamaha EW643B snowmobile that I am getting running. It is the Keihn carb on it. It starts fine, but it seems as if it is flooding itself out at idle.
Yamaha Snowmobile History
The first Yamaha sleds with convenient electric start were the EW643 and EW433. This incredible race machine boasted awesome handling and speed that left even the 650cc sleds behind. The SM292 mounted the SL292's proven single-cylinder engine on a …
- 某些结果已被删除