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Thread: 416EX Maintenance.......After Rebuild?

  1. 03-28-2002, 12:15 PM #1
    JhallettEX
    JhallettEX is offline C&D Racing, 308-696-7805
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    416EX Maintenance.......After Rebuild?

    Well, I have had my 416 done for a few weeks now. This weekend I am going to tear into it and do another vavle job to make sure everything is allright. Is there anything else I should do before I put it back together, ie; check bolts, timing, relube cam, or anything else you can think of? Also I have a question as far as the timing being off. I don't think that mine is but if it were off by a tooth or two would a Curtis Sparks Timing key correct this or would you still need to go into the motor and correct the timing? Thanks alot.
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  2. 03-28-2002, 03:54 PM #2
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    86atc250r
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    If your cam is a tooth off, no a timing key won't fix it.

    Are you tearing into it to do a "valve job" or just to adjust the valves? You shouldn't need to do a valve job unless something bad happened...

    Really, a typical 416 buildup requires no more maintenance than a stock engine.

    If you used a composite head gasket instead of a stainless one, you may need to re-torque your head bolts.
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  3. 04-05-2002, 01:46 PM #3
    400exRacerX's Avatar
    400exRacerX
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    Its simple to readjust the timing, I think you would notice if it was off....and I wouldnt recommend those material head gaskets,,,get the OEM stainless one they are way better.
    #71
    2000 Roll/Laeger's/Houser/Axis 416ex

    2001 Arens/Laeger's/PEP 250r

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  4. 04-06-2002, 12:14 PM #4
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    PsychoDave
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    norm...i got the cometic gaskets with my 416 kit....do you suggest on getting stainless....are they set up for the bore?
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  5. 04-06-2002, 10:16 PM #5
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    Yes they are setup for the the bore. Just go to Pompton Honda & Suzuki in Pompton Plains and they have them in stock for about $17 dollars I believe. I got the cometic gasket kit too and I blew the head gasket and I took my time on everything and nothing was done wrong. Once I put the OEM gasket in I havent had a problem since. You can use all the other cometic gaskets though. I also didn't use those valve adjusting cap o-rings in cometics kit because they didn't seem to fit in right. I just reused the old ones.

    Norm
    #71
    2000 Roll/Laeger's/Houser/Axis 416ex

    2001 Arens/Laeger's/PEP 250r

    Thanks to my sponsors for 2003 : 00-Buck ATV Racing, Team Pompton, Nebulae Race Team, Milton Inn Packaged Goods, Napa Auto Parts of Oak Ridge, Sick Style Racing, WD-40, Hinson Racing, IMS, Sport Center Racing, and Nac's racing

    I'd also like to give a special thanks to Baldwin Motorsports for all there help and support they gave me.

    We are now accepting resumes, this is a New Jersey based team. westsyder50@hotmail.com
    http://www.geocities.com/sickstyleatv/index.html

    Team Rcokford Fosgate 401+ northeast champ 147.7db
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  6. 04-07-2002, 09:09 AM #6
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    PsychoDave
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    Thanks....btw marcums gave me 2 gasket sets.....8 valve seals...my piston had a very tiny dent on the side between the ring grooves....when i take it to the machine shop this week i will ask them if it is a problem...i dont think so though...it is pretty small ...but i like my stuff to be perfect!!!!-Dave
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  7. 04-07-2002, 09:58 PM #7
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    Dave are you serious????????????? Your piston had a dent on it between the ring grooves?????? OMG mine did too....does yours look like this? No flame intended I am just curious.
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    #71
    2000 Roll/Laeger's/Houser/Axis 416ex

    2001 Arens/Laeger's/PEP 250r

    Thanks to my sponsors for 2003 : 00-Buck ATV Racing, Team Pompton, Nebulae Race Team, Milton Inn Packaged Goods, Napa Auto Parts of Oak Ridge, Sick Style Racing, WD-40, Hinson Racing, IMS, Sport Center Racing, and Nac's racing

    I'd also like to give a special thanks to Baldwin Motorsports for all there help and support they gave me.

    We are now accepting resumes, this is a New Jersey based team. westsyder50@hotmail.com
    http://www.geocities.com/sickstyleatv/index.html

    Team Rcokford Fosgate 401+ northeast champ 147.7db
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  8. 04-08-2002, 08:05 AM #8
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    i thought you had a dent problem too....mine was smaller than that...nonetheless i still didnt like seeing it.....it is a little dent between a compression ring and the oil rings.....
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  9. 04-08-2002, 11:15 AM #9
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    norm....what did you do to fix it?
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  10. 04-08-2002, 08:20 PM #10
    400exRacerX's Avatar
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    I took a jewelery file and grinded between the ring grooves so the ring would fit in and so it wouldnt bind up. I also dressed the side of the piston up with very fine sand paper.
    #71
    2000 Roll/Laeger's/Houser/Axis 416ex

    2001 Arens/Laeger's/PEP 250r

    Thanks to my sponsors for 2003 : 00-Buck ATV Racing, Team Pompton, Nebulae Race Team, Milton Inn Packaged Goods, Napa Auto Parts of Oak Ridge, Sick Style Racing, WD-40, Hinson Racing, IMS, Sport Center Racing, and Nac's racing

    I'd also like to give a special thanks to Baldwin Motorsports for all there help and support they gave me.

    We are now accepting resumes, this is a New Jersey based team. westsyder50@hotmail.com
    http://www.geocities.com/sickstyleatv/index.html

    Team Rcokford Fosgate 401+ northeast champ 147.7db
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