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Yamaha F225. Timing belt and ignition timing question.

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  • #16
    Thanks I never would have guessed that.

    Still need to be measuring the input to the coils to see if that meets specs. in manual
    problem is I have no idea what you should be seeing.
    Is it 12 volt system or like the CDI units that have charge coils under the fly wheel.
    either way it should have pulser coils telling it when to fire I guess?
    do you have a service manual for it?

    I did find a post by Rodbolt on a 2002 F225 that said it has a 12 ignition system and to check to see if you read 12 volts at the coils. I still do not know what breaks the connection or tells it when to break the connection to fire the plug or what could cause on whole bank to have this problem. maybe bad connection if each bank has a separate driver of some kind
    Last edited by 99yam40; 10-12-2016, 11:14 AM.

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