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Posted on Mar 27, 2011

1977 Yamaha yz400 specs

Help with 1977 yamaha yz400 engine specs.what is the peak hp @ what rpm ?

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Apr 08, 2009

SOURCE: LOOKING FOR RPM DIAGRAM AND SHFTING SPEEDS FOR YAMAHA VSTAR650

I want to know- if there is a big difference between a 2001 v-star classic and , say a 2005 or 06 v star classic. Are the newer ones lighter, or advanced in some way, enough to make a difference?

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Anonymous

  • 31 Answers
  • Posted on Apr 10, 2009

SOURCE: engine cuts out at 8000 rpm in any all gears

check your tank breather hose for any blocks or kinks - also have a look at the fuel filter and airbox.

Anonymous

  • 11 Answers
  • Posted on Apr 23, 2009

SOURCE: I need a repair manual for 1977 yamaha LB80-3d

I can only think of 2 ideas. This coming weekend, 25/26th April is the international classic motorcycle show at Stafford County Showground. You may find a book stall there with something suitable. Failing that, try Govnors Bridge Motorcycles at Atherstone, Warwickshire. They are very helpful with old stuff like this. They are on internet. Good luck!

Anonymous

  • 867 Answers
  • Posted on Jun 27, 2009

SOURCE: 1977 triumph bonniville have rebuilt engine starts ok sounds good

check your point gaps, may be to small. also the timming mechanical advance may not be working

Anonymous

  • 1167 Answers
  • Posted on Oct 07, 2009

SOURCE: Factory horsepower specs for a 1982 Yamaha Seca 400.

hi buddy its [email protected]

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You can download a free one at
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1854-Yamaha V-Twin Motorcycle Engine

The horsepower of that mighty beast is exactly 100 horsepower (73.6 kW). Here's some of the other specs:
  • Engine Type - Air cooled, 4-stroke, V-twin engine, OHV, 4 valves
  • Displacement - 1,854 cc
  • Bore & stroke - 100 x 118 mm
  • Compression Ratio - 9.5:1
  • Max. power - 73.60 kW (100 HP) @ 4,250 rpm
  • Max. torque - 167.80 Nm (17.1 kg-m) @ 2,500 rpm
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