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Thread: what is a good size for rear tires?

  1. 06-29-2008, 05:29 PM #1
    joe_f7's Avatar
    joe_f7
    joe_f7 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    what is a good size for rear tires?

    i have some 22" tires and my 86 tecate, and i was thinking about putting some smaller ones on for better performance. i think it came stock with 20s, but wondering if anyone is running 18s with good sucess. i have 14-42 gearing. i'm still dialing in my jetting, but i know i was lean off the pilot and rich on the main. the bike just didn't seem to have any low end. my buddies quad racer with 20s had way better low end. once i hit the power band i would walk on him, but i really think i'm losing alot with the 22x11.5x10 rears that i have on. also if anyone knows of a good rear tire for my trike and a place to get it at a good price let me know. new to the whole thing.
    Last edited by joe_f7; 06-29-2008 at 05:38 PM.
    1986 Kawasaki KXT 250 tecate
    ported, FMF pipe, DG silencer, boysen stage II reeds, 39mm keihin PWK, T4 thumb throttle and front master
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  2. 06-29-2008, 06:45 PM #2
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    SWIGIN
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    it depends on who you ask..... i never run anything but 18s even in the woods
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  3. 06-29-2008, 09:48 PM #3
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    joe_f7
    joe_f7 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    do you think the tires and jetting being off are my cause of no low end. i mean this thing has nothing until the power ban kicks in.
    1986 Kawasaki KXT 250 tecate
    ported, FMF pipe, DG silencer, boysen stage II reeds, 39mm keihin PWK, T4 thumb throttle and front master
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  4. 06-29-2008, 09:50 PM #4
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    Tri-ZNate
    Tri-ZNate is offline Twinkle Toes The day begins with 3WW
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    I run 18" on the Z and 20" on the X. If you want ground clearance and want to stay with 22" tires concider regearing, plus its cheaper
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  5. 06-29-2008, 10:28 PM #5
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    joe_f7
    joe_f7 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    i don't think there is too many gears made for the t3. i might be wrong. i do have a rear and a 37 rear.
    1986 Kawasaki KXT 250 tecate
    ported, FMF pipe, DG silencer, boysen stage II reeds, 39mm keihin PWK, T4 thumb throttle and front master
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  6. 06-30-2008, 07:47 AM #6
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    scooterroo
    scooterroo is offline Power User Teaching quads a lesson
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    20's are good trail tires, 18's you loose some clearance, but are still a good size. i run 18's and havent really had any bad problems when out in the woods or such.
    1985 KXT 250 Tecate - kx cylinder, kx ignition, bassani headpipe, answer silencer, v-force reeds, 38mm airstyker carb, +2 franks swinger, raptor rear shock.

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  7. 06-30-2008, 09:30 AM #7
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    Tri-Z 250
    Tri-Z 250 is offline Power User Got the holeshot
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    I'm frim on the thought 20+ on trail 18 and under for race tracks. JMO
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  8. 06-30-2008, 10:44 PM #8
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    joe_f7
    joe_f7 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    well a little update. i checked on my powervalves and they are sticking open. i manually closed them but there is some binding. so as soon as i get my new top end gaskets the motor is coming out, and i will have to get them operational. then i'll be able to see how the low end is with the valves operating properly and the jetting right. i might be able to drop one tooth on the front sprocket and see if that helps too.
    1986 Kawasaki KXT 250 tecate
    ported, FMF pipe, DG silencer, boysen stage II reeds, 39mm keihin PWK, T4 thumb throttle and front master
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  9. 06-30-2008, 11:47 PM #9
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    Russell 350X
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    IMO 18"s will give you the best handling, but 20"'s are a better all around tire. Good handling, and decent clearence.
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