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  1. #1
    Cadet
    Join Date
    Jul 2009
    Location
    Southampton, Hampshire, UK
    Posts
    1

    Default Yamaha 20a 653 engine & wiring info

    Hi Guys can anyone help Iam trying to find any info on an engine ie spark gap, part numbers, service info etc

    Ive just bought it, its a good runner, and looks as though its been looked after and serviced. I want to continue looking after it. My local dealers wont help as they say it's to old? I know the 653 denotes between 1972 & 1978.

    The kill switch as been disconnected so their is no wires going to and from it. The wiring look pretty basic with and orange, black and grey or white cables coming from below the fly wheel. There are also two red wires not connected to anything.

    Any help would be welcome Thanks Mark

  2. #2

    Default Re: Yamaha 20a 653 engine & wiring info

    I also have a 653. Do you already have your wiring info. If not I can make some Photos.

  3. #3
    Cadet
    Join Date
    Aug 2009
    Location
    england
    Posts
    2

    Default Re: Yamaha 20a 653 engine & wiring info

    Quote Originally Posted by ztz View Post
    I also have a 653. Do you already have your wiring info. If not I can make some Photos.
    hi i also have a 20a 653 can you please tell me if it is able to charge a battery when it is running as theare are 2 lead and not shore what thay are for thanks andy

  4. #4

    Default Re: Yamaha 20a 653 engine & wiring info

    I also have the two leads. Dont know what they are used for. Does any one have a manual for this engine?

  5. #5
    Cadet
    Join Date
    Aug 2009
    Location
    england
    Posts
    2

    Default Re: Yamaha 20a 653 engine & wiring info

    hi update spoke to bill at higham mariane and he said yes it will charge a battery but had to by a regultor for it cost 25 with p+p he also has manuals at 26 hope this helps andy

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