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Thread: What are these????

  1. #1
    Join Date
    Jul 2008
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    What are these????

    Today i pulled my Big Red out of the garage to degrease the engine and i found a bolt missing on top of the engine, and the other won't tighten down. It looks like they tried to seal around it with silicone. The end of the bolt looks like it may be broken off. I included a pic of the bolt. What are these and what kinda work will be needed to fix it?

    IMG]http://i136.photobucket.com/albums/q169/arkyhunter/Aug04457.jpg[/IMG]

    IMG]http://i136.photobucket.com/albums/q169/arkyhunter/Aug04456.jpg[/IMG]


    I'm at my wits end with this thing....I'm starting to wonder if it might not be better just to try to find a running Big Red and use this one for parts. I'm still getting no spark. I ordered a new coil but haven't recieved it yet.

  2. #2
    Join Date
    Jul 2008
    Location
    Arkansas
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    Let me try to post the photos again:

    [IMG]IMG]http://i136.photobucket.com/albums/q169/arkyhunter/Aug04457.jpg[/IMG][/IMG]

    [IMG][/IMG]

  3. #3
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    [IMG][/IMG]

  4. #4
    fabiodriven's Avatar
    fabiodriven is offline Aspiring romance novel cover model, and the Official 3WW slayer of thieves and swindlers. Catch me if you can
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    looks like valve cover bolts to me. If you take the valve cover off you might be able to extract the broken bolts easily. It might be a pain if they're broken off flush, though. If the trike's in decent shape, I wouldn't let this get to me.
    85 Tri-Zinger 60
    85 ATC250SX
    86 ATC250SX
    87 ATC250SX
    02 XR650L conversion
    84 ATC 480R

  5. #5
    Join Date
    Mar 2006
    Location
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    those 2 bolts are right at the small bearing area of the cam and are importent


    but with stock valve springs it should be ok.....i would take off the valve cover and see whats going on.

    even if you only get the one thats missing in if it was mine i would sleep better.
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
    90s......89 Suzuki quad racer 250 (raced 250 A class for 6 years, late 90s.. custom framed 250x with long travel shocks and a built 350x motor.... built Honda 110
    00s...... chomeoly framed 350 RX with all the goodies (thanks to my bro)
    2012.....Replaced the 350x motor for a 444cc YZ426
    WWW.HREATV.COM

  6. #6
    Join Date
    Jul 2008
    Location
    Arkansas
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    I took the front valve cover off and looked inside- the best i can tell these two bolts hold part of the casing together. So if i want to take the entire valve casing off that means taking the whole engine loose from the frame? I've never done it before so i guess i'd better take it to someone who knows what they're doing. I know a guy that works on these and ATV's, i guess i could get him to take a look.
    All i can see right now is $$$$ flying away!

  7. #7
    fabiodriven's Avatar
    fabiodriven is offline Aspiring romance novel cover model, and the Official 3WW slayer of thieves and swindlers. Catch me if you can
    Join Date
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    Location
    The woods
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    yep, that's how it goes.
    85 Tri-Zinger 60
    85 ATC250SX
    86 ATC250SX
    87 ATC250SX
    02 XR650L conversion
    84 ATC 480R

  8. #8
    Join Date
    Mar 2006
    Location
    PA
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    3,515
    the thing you call a valve case is the valve cover......at least thats how its known

    the little covers are to check valve clearence
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
    90s......89 Suzuki quad racer 250 (raced 250 A class for 6 years, late 90s.. custom framed 250x with long travel shocks and a built 350x motor.... built Honda 110
    00s...... chomeoly framed 350 RX with all the goodies (thanks to my bro)
    2012.....Replaced the 350x motor for a 444cc YZ426
    WWW.HREATV.COM

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