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Forum: LT500R

Engine

  1. Sticky Thread Sticky: Bang for the buck comparisons

    As many of you know, I have been building the Suzi 2-strokes for quite awhile now. Like everyone else, I always have to try to get the most out of...

    Started by DR Q, 11-09-2007 12:36 AM
    5 Pages •
    1 2 3 ... 5
    1 Attachment(s)
    • Replies: 48
    • Views: 3,800
    WestTexasKing
    06-14-2010 04:04 PM Go to last post

  2. Sticky Thread Sticky: Pickup coil tech tip

    Ever had a pickup coil break off from it's mounting bracket? This happens from vibrations and will leave you stranded with no spark. So here's an...

    Started by 500 Fanatic, 04-06-2010 02:56 PM
    2 Pages •
    1 2
    • Replies: 11
    • Views: 279
    AustenW
    04-07-2010 06:51 AM Go to last post

  3. Sticky Thread Sticky: leaky waterpump

    Here's a simple fix when your pump still drips and all parts are in good shape. I'm sure all who own a 500 motor have or will run across a leaking...

    Started by 500 Fanatic, 03-26-2010 09:19 AM
    • Replies: 3
    • Views: 163
    WestTexasKing
    03-26-2010 05:43 PM Go to last post

  4. Sticky Thread Sticky: Zilla Jetting 101

    OK, Here goes.... First off: You really need to understand what circuit does what w/your carb. Mikuni offers a tuning guide for this as all the...

    Started by Skully, 10-22-2007 07:43 PM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 27
    • Views: 2,687
    Luke0536
    02-22-2010 11:55 PM Go to last post

  5. Sticky Thread Sticky: O rings for O ringed Head?

    I am looking for O rings for an O ringed Head, anybody know where I can get them? I know Trinity has them but Q said he runs them made from a...

    Started by Quadzia, 08-23-2009 06:52 PM
    3 Pages •
    1 2 3
    • Replies: 23
    • Views: 1,186
    chrisg
    09-14-2009 10:57 PM Go to last post

  6. Sticky Thread Sticky: Powervalves

    Well, Seeing as how the site is going I guess it's time for some of the technical "goodies" to be divulged to the Q-nation. Q- Why do some people...

    Started by DR Q, 10-16-2007 11:08 PM
    4 Pages •
    1 2 3 ... 4
    2 Attachment(s)
    • Replies: 36
    • Views: 5,365
    Cobrazilla
    05-20-2008 11:10 AM Go to last post

  1. Squish Mod?

    Im boring my motor .100 over while its apart cause the piston and cylinder walls dont look in the best shape. It has a coolhead on it now. Do i have...

    Started by iam2pro4u, 02-17-2009 10:51 PM
    • Replies: 6
    • Views: 249
    iam2pro4u
    02-18-2009 03:38 PM Go to last post

  2. 87 zilla stock pilot jet????

    what number is the stock pilot jet for an 87 zilla? i have an fmf fatty torque pipe and power core silencer. the previous owner had the jetting wrong...

    Started by zillaMan401, 02-16-2009 02:10 PM
    • Replies: 1
    • Views: 238
    DR Q
    02-16-2009 05:29 PM Go to last post

  3. what oil to gas ratio is recommended 24:1 or 32:1?

    i have an 87 zilla with fmf fatty torque pipe and silencer. No other mods. im using castor927 premix. Some have said 24:1 and some have said 32:1. I...

    Started by zillaMan401, 02-16-2009 02:12 PM
    • Replies: 3
    • Views: 194
    grkguy
    02-16-2009 03:22 PM Go to last post

  4. lt500 milky gear oil/ a few other questions

    I just traded for this 87 lt500 and It has a leak in the gasket around the clutch area. I noticed that the oil coming out is a little milky. 1....

    Started by darwoodlt500, 02-16-2009 02:53 PM
    • Replies: 4
    • Views: 138
    darwoodlt500
    02-16-2009 03:15 PM Go to last post

  5. pulled my engine out today

    Well I ordered a flywheel puller today I hope it gets here soon. My top end only has about 4 hours on it. I installed a new 89mm piston, stock...

    Started by sillsetter, 02-10-2009 04:32 PM
    2 Pages •
    1 2
    • Replies: 13
    • Views: 347
    bigtq540
    02-14-2009 07:02 PM Go to last post

  6. Post piston ring placement/cylinder hone?

    i split the cases today on my zilla, to fix my tranny, piston/cyl/rings, all that stuff in good shape, but when i put it back together i know im...

    Started by mikegammill, 02-12-2009 11:27 PM
    • Replies: 3
    • Views: 126
    mikegammill
    02-13-2009 04:59 PM Go to last post

  7. Will a 88-90 harness fit 87?

    First post to a extremely informative site!!:D Soo, Will a wiring harness from any year fit an 87?

    Started by mr_speed77, 02-12-2009 11:14 PM
    • Replies: 1
    • Views: 66
    grkguy
    02-13-2009 12:02 PM Go to last post

  8. My 500 hates me ughh...

    After replacing all the tranny gears and seals i find out my water pump shaft is broke in half. Then i replace that put it all back together. Start...

    Started by iam2pro4u, 01-30-2009 03:48 PM
    3 Pages •
    1 2 3
    • Replies: 25
    • Views: 472
    iam2pro4u
    02-12-2009 11:24 PM Go to last post

  9. Stock Port Durations?

    First post here. Does anyone know the stock port durations for the LT500? Are the durations the same for all years? I think I have an unported...

    Started by Oldguy, 02-08-2009 03:40 PM
    • Replies: 3
    • Views: 129
    Oldguy
    02-09-2009 09:33 AM Go to last post

  10. Orig. Mekuni or Keihin 39mm ??

    hello, i have a ´89 lt500 quadzilla. engine is original except the fmf pipe and exhaust. i have the original mekuni caburator on it. do you...

    Started by Lumas333, 02-08-2009 12:23 PM
    • Replies: 3
    • Views: 158
    Lumas333
    02-08-2009 12:45 PM Go to last post

  11. Governor Gear Missing

    AFter installing the new tranny and all into my 500. Today i just went over everything to make sure everuthing was in place. Well i have no Governor...

    Started by iam2pro4u, 01-24-2009 10:34 AM
    1 Attachment(s)
    • Replies: 9
    • Views: 175
    magicsmoke
    02-08-2009 10:56 AM Go to last post

  12. Unhappy zilla has serious vibration at higher rpm's PLEASE HELP

    hey whats goin on guys. I bought a 87 zilla a couple weeks ago. Ive never had one before but Ive always wanted one. It needed some tlc but I have...

    Started by zillaMan401, 01-30-2009 04:59 PM
    2 Pages •
    1 2
    • Replies: 12
    • Views: 301
    grkguy
    02-07-2009 09:13 PM Go to last post

  13. zillas oil to gas ratio is 20:1????

    The zilla's oil to gas is 20:1??

    Started by zillaMan401, 01-30-2009 05:16 PM
    • Replies: 9
    • Views: 284
    iam2pro4u
    02-05-2009 07:20 PM Go to last post

  14. Rebuild parts locations

    Hi all. I'm pretty new to LT motors and I haven't made a lot of time to research what I need to know, so if I'm asking well worn questions, let me...

    Started by All250R, 02-04-2009 02:04 AM
    • Replies: 2
    • Views: 120
    All250R
    02-04-2009 05:58 PM Go to last post

  15. Question how to get counter balancer back in time

    I believe the counter balancer is out of time on my zilla. I know the 3 dots have to be lined up in a straight line but how am I supposed to kno when...

    Started by zillaMan401, 02-02-2009 09:35 AM
    • Replies: 1
    • Views: 103
    Iceracer
    02-02-2009 10:37 AM Go to last post

  16. bottom ends

    which bottom end is better to build a 540hrd out of? an 87 or 88-90. I know the 88-90 has a close ratio tranny, but is there any difference besides...

    Started by OGzilla, 02-02-2009 12:55 AM
    • Replies: 1
    • Views: 119
    Skully
    02-02-2009 08:00 AM Go to last post

  17. 87 zilla coolant capacity

    Whats the coolant capacity for a 87 zilla? Not including overflow container

    Started by zillaMan401, 01-30-2009 05:01 PM
    • Replies: 1
    • Views: 77
    twinzilla
    01-31-2009 11:12 AM Go to last post

  18. 500 motor

    Ok so i found a used 500 motor. For 500 plus 70 shipped. Ok so the bottom end is brand new. The top end is bored 40 over and needs boring again. ...

    Started by 87QuadzillaOwner, 01-29-2009 03:00 PM
    2 Pages •
    1 2
    • Replies: 13
    • Views: 316
    grkguy
    01-30-2009 11:42 PM Go to last post

  19. clutch springs

    i heard banshee hd clutch springs work good in the zilla should i go with these or just buy hd springs made for a zilla?

    Started by cunningham_821, 01-29-2009 10:13 PM
    • Replies: 1
    • Views: 102
    b_fuss
    01-29-2009 10:35 PM Go to last post

  20. compression ranges

    i did a compression check on my 87 lt500 yesturday and ended up with a solid 120? im running a full port with 51cc dome q pipe v force 2 reeds and...

    Started by msr500, 01-26-2009 07:38 PM
    • Replies: 6
    • Views: 202
    msr500
    01-26-2009 10:00 PM Go to last post

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