Posted April 17, 201212 yr I just bought a bike and need help with the vin. No one can tell me the year so I can get a service manual and parts. Vin number is 9663vca04m0006378 the engine number is 3bc006378. Motor verse says its a 91 from brazil but that's all. Other forum people tell me that it's an 80s model but that's all. I need to know so I can start this project. Any help is greatly appreciated. Please help. Thanks.
April 17, 201212 yr Author Also on the motor it says 5L 900 YZ and 500cm3 and another marking that says 178cm.
April 19, 201212 yr Does it look like this RT180 ? http://www.cmsnl.com/rt180-motocross_model16785/info/ The 500cm3 marking sounds like the gearbox oil capacity if it's by the transmission oil filler. Is the 178cm marked on the cylinder ? Tony
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