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Thread: Yamaha R6 engine build

  1. #1
    Senior Member Metal-Man's Avatar
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    Yamaha R6 engine build

    As the title says:

    Engine build ...

    So I took me donkey to Snozz at C&M Motorcycles @ Ingleburn a few weeks before the 5 hr in @ EC
    Thought I’d put that airbox on it I got from Jason Wiblin on it an get it dyno’d before the race meet.
    Told Snozz I want it dyno’d with that airbox on it an see what number it’d get.
    As it was dyno’d there before in 2016 before we went to PI an he found an extra 5 ponies, from 113hp.
    So he chucked it on dyno to see what she’s pullin now.
    As it turns out it’s lost just over 9hp (I was wondering why I wasn’t pulling away from other 600s on the straight).
    Anyway, he said it may have lost compression, or valves aren’t seating properly anymore.

    Ok so let’s do a leak down an compression test.

    Turns out it has lost over 1/3 (under 90 psi) of its compression in all cyclinders.

    Time for a complete rebuild.

    Engine is at Wetty’s place (been a few weeks now) ... stripped to her socks an undies.

    Parts ordered ... lots of parts!

    That is all ...

    No pics as yet.
    The completely rebuilt R6 "MetalMan" #70
    visit my page:
    www.youtube.com/AussiesR6
    www.facebook.com/metalmanracing
    For all the latest technology in Action Video Cameras, head to www.dvrsafety.com.au
    Sponsored by BC Riley Haulage: www.facebook.com/Bcrileyconsulting/

  2. #2
    Senior Member Metal-Man's Avatar
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    Donk is finally in
    YEC harness in
    Fast Frank Front n Rear Quick Change Kits in
    Throttle Bodies on ...

    Waiting on Race Rad to arrive, then I can complete the build and fire her up for the first time ;-)
    The completely rebuilt R6 "MetalMan" #70
    visit my page:
    www.youtube.com/AussiesR6
    www.facebook.com/metalmanracing
    For all the latest technology in Action Video Cameras, head to www.dvrsafety.com.au
    Sponsored by BC Riley Haulage: www.facebook.com/Bcrileyconsulting/

  3. #3
    Senior Member Metal-Man's Avatar
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    The completely rebuilt R6 "MetalMan" #70
    visit my page:
    www.youtube.com/AussiesR6
    www.facebook.com/metalmanracing
    For all the latest technology in Action Video Cameras, head to www.dvrsafety.com.au
    Sponsored by BC Riley Haulage: www.facebook.com/Bcrileyconsulting/

  4. #4
    Great work, when’s the test?


    Sent from my iPhone using Tapatalk

  5. #5
    Senior Member Metal-Man's Avatar
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    Quote Originally Posted by Ruckos87 View Post
    Great work, when’s the test?


    Sent from my iPhone using Tapatalk
    dunno yet! ... the joys of being an interstate truckie, only home one or 2 nights a week
    (it's a sllooowwww project build to get her back on track)
    The completely rebuilt R6 "MetalMan" #70
    visit my page:
    www.youtube.com/AussiesR6
    www.facebook.com/metalmanracing
    For all the latest technology in Action Video Cameras, head to www.dvrsafety.com.au
    Sponsored by BC Riley Haulage: www.facebook.com/Bcrileyconsulting/

  6. #6
    Nice!

    What year is the bike?
    What'd ya do wiv de fans when you put in the YEC? (Separate power / relay ... or just remove them?)
    What'd ya do re the Neutral light? (Just live without it, or wire it in somehow?)
    What was the compression when Wetty finished the rebuild?

    Looking forward to seeing the dyno pull results.

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