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1977 Yamaha yz400 specs

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

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  • Yamaha Master
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Hi, Rpm1mil for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "Free" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
Yamaha DT 400 1977
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Posted on May 24, 2017

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bozcro
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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

Posted on Jun 27, 2009

  • 248 Answers

SOURCE: vintage yamaha it400 engine going into '90 kawasaki mojave frame

The service manual has a diagram, but you need to zoom in to read the colors.
You can download a free one at
http://www.yamaha-motor-europe.com/community/service/manuals.jsp
Good luck!

Posted on Nov 21, 2009

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Hi, Gary for this scenario you will need your service manual, parts fiche, and owners manual if you can't find the best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one.
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Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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