Yamaha GT80 GT80MX GT 80 Manual

Yamaha GT80 GT80MX GT 80 Service Repair Workshop Manual

Complete service repair workshop manual for the:

Yamaha GT80 GT80MX GT 80

This is the same manual motorcycle dealerships use to repair your bike. Manual covers all the topics like: Engine Service, General Information, Transmission, Chassis, Lighting , Steering, Seats System, Clutch, Suspension, Locks, Brakes, Lubrication, Electrical, Frame Fuel System, Battery, etc

  • 1982 Yamaha GT80J
  • 1981 Yamaha GT80H
  • 1980 Yamaha GT80G
  • 1979 Yamaha GT80F GT80MXF
  • 1978 Yamaha GT80E GT80MXE
  • 1977 Yamaha GT80D GT80MXD
  • 1976 Yamaha GT80C GT80MXC
  • 1975 Yamaha GT80B GT80MXB
  • 1974 Yamaha GT80A GT80MXA GTMX
  • 1973 Yamaha GTMX 80cc
  • 1973 Yamaha GT1 80cc
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Posted in 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, MOTORCYCLE, Yamaha

{ 8 comments… read them below or add one }

Logan April 27, 2012 at 11:49 pm

What kind of crankcase oil and what the tank for oil

Rusty Restorations November 27, 2012 at 4:21 pm

Crankcase Oil: Motorcycle oil for wet clutch applications 650mL as indicated on the crankcase cover just below the filler plug. DO NOT over fill!!!!!

Small Oil Tank under seat: standard 2-Cycle engine oil for self mixing OR premix the gasoline with a 32:1 – 40:1 ratio and bypass the small oil tank altogether.

paul March 2, 2013 at 1:09 am

I need the fork oil amounts for a 1974 Yamaha GT80. One fork is stiffer than the other. Is this a weak spring or is there an adjustment on these?

Clark July 29, 2013 at 7:44 pm

Paul, 110 mL each. Gt80’s only have a spring in 1 side of the fork. Add spring to the other for a heavier ( adult) rider

Don May 11, 2015 at 8:30 pm

what us the ignition point gap for 1978 gt 80

Toby October 9, 2015 at 2:04 am

Hello, I was wondering if you guys knew what the air and idel screw should be at? thanks in advance for any help. Cheers!

Toby October 9, 2015 at 2:05 am

Oh wow haha I forgot the bike,1973 gtmx 80

nate January 26, 2017 at 9:20 pm

What is the connecting rod to crankshaft journal clearance on a Yamaha gt80 1980?

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