2011年9月9日 · Not only did the 1978 feature the 1977’s Monocoque frame and significantly upgraded engine, it also utilized Yamaha’s beautiful aluminum box-section swingarm, a work …

Yamaha YZ 400E. Any corrections or more information on these motorcycles will be kindly appreciated. Contact ...

The new YZ400 was actually based on the 1975 MX400. The 1976 version got some more expensive parts, including large reservoirs at the top of each fork leg. Between 1976 and …

2023年9月3日 · A '78 YZ400 is a very cool, old vintage dirt bike. It can handle dirt roads and a bit of trails. It seems a bit too cheap to be completely rebuilt and fresh. It may need more work, …

2020年8月7日 · Ya wanna beat your buddies 450's in a drag race? Find and purchase one of these. Port and polish the cylinder, head and carb. Get it jetted properly and gear it for top …

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The largest parts list ( CARBURETOR YZ400D/E ) contains fifty-one products for this YZ400 COMPETITION 1978 USA. These exploded views give you insight on which spareparts you …

2011年3月22日 · Spend the dough on a crank re-build, and a new piston and it will be dead nuts reliable. Ditch the mikuni and put on a 38mm Keihin PWK, that alone will make a big …

Vehicle history and comps for 1978 Yamaha YZ400 VIN: 2K8001543 - including sale prices, photos, and more.