i have a Friend at school that has an 87 250X he keeps craking his case right around the sproket..does anyone know why it keeps craking? TIA
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WEEEEEEEEEEEEE!!
i have a Friend at school that has an 87 250X he keeps craking his case right around the sproket..does anyone know why it keeps craking? TIA
06' 450r Stock
1988 mustang gt-5.0 cobra intake, cam, headers.
1976 vette stingray-425 hp
1995 dodge ram-headers, projecter headlights, smoked euros out back
"We ride and never worry about the fall, I guess that's just the cowboy in us all"
Top Dog
Sounds kinda weird to me...
Does the chain ever 'pop' off?
I'm gonna say, bent ...sprockets, axle hub, or axle.?
Sounds like something would have to hit it to make it crack, and the only thing around there is the chain...
440, Ross 11.5:1 piston, Web cam 479 grind, race port & polish, oversized valves, hardened rockers, CRF450 cam chain, 39mm FCR carb, lightened Flywheel, Stock clutch, WB CDI box, K&N filter , WhiteBrothers E-Series full exhaust, Sidewinder Chain, 15/36 gearing, open airbox, LSR Axcaliber +3.5 axle, Houser Racing +2 a-arms, Elka triple rate, fully adjustable front shocks, +1.25 Houser swingarm, Tag Metals X5 bars, Arens +1 steering stem, Muscle steering dampener, Stainless Steel brakelines, HeatSeeker temp. guage, Pro Design kill switch, DG Pro Series nerfs, 8 run Hauler paddles. ~~http://www.sounddomain.com/id/trick440ex~~
WEEEEEEEEEEEEE!!
yeah he said his chain pops off.
06' 450r Stock
1988 mustang gt-5.0 cobra intake, cam, headers.
1976 vette stingray-425 hp
1995 dodge ram-headers, projecter headlights, smoked euros out back
"We ride and never worry about the fall, I guess that's just the cowboy in us all"
Senior Member
its bc he doesnt have the case saver on, the chain pops off and whacks it reeally hard, i did this when i snapped my chain in half on my 250x.
250x not missed and will be forgotten!
2003 cr 250
05 yz250f
TC/Axis 426 #54
tighten the chain and buy a case saver
ATVA District 7 #54
03' Axis/Houser MX 426ex
---------------------------------
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- LT Custom Axis Fully adj fronts
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- TC racing motor with all the goodies
- Sparks 8-plate clutch
- Barnett basket
- Duncan Racing graphics
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- Tinner air scoops
- race plastic
- 450r pegs
- Holeshot MX fronts on ITP rims
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- RAD axle lock nut
- Graydon Proline nerfs
- 15/36 gearing
- Primary Drive X-ring chain
- Renthal bars
- Curtis Sparks X-6 exhaust
- Razors MX rears on Douglas rims
- PRM chassis skid
- Dyno jets (40P 155M)
- Pro Design kill switch
- White Bros. powerfilter
- NAC's p-brake block off
- MSR clutch perch and lever
and more.....
Top Dog
Case savers are great, but the chain is popping off because of something.
Do this dude... raise the rear und of the bike with a jack, bucket or something. Put it in gear and let the rear tires spin in the air. Look for something bent.. your gonna find something bent.
And if something aint bent, its coming off cause the chains getting loose. Which then the problem more than likely is a wasted bearing carrier that won't hold chain tension.
440, Ross 11.5:1 piston, Web cam 479 grind, race port & polish, oversized valves, hardened rockers, CRF450 cam chain, 39mm FCR carb, lightened Flywheel, Stock clutch, WB CDI box, K&N filter , WhiteBrothers E-Series full exhaust, Sidewinder Chain, 15/36 gearing, open airbox, LSR Axcaliber +3.5 axle, Houser Racing +2 a-arms, Elka triple rate, fully adjustable front shocks, +1.25 Houser swingarm, Tag Metals X5 bars, Arens +1 steering stem, Muscle steering dampener, Stainless Steel brakelines, HeatSeeker temp. guage, Pro Design kill switch, DG Pro Series nerfs, 8 run Hauler paddles. ~~http://www.sounddomain.com/id/trick440ex~~
Not Quadless Anymore!!
ive had the same problem with the 250x chain popping off...but mine never broke the case....BUT i kno the solution...for 1...its your chain/sprockets...ditch the chain, buy a 520 O-ring chain, and some sunstar sprockets...these things occur when your chain and sprockets wear out...the chain stretches, and it curls the teeth of the sprocket there for messing up the sprocket so the chain wont fit proper even if you buy a new chain...my suggestion would be to get chain/sprockets all at the same time, and also make sure the bearings aint shot, lift the rearend up, and see if the axle has any up and down play in it....if it still happens then what possibly could have happened is the sprockets aint aligned and its slinging the chain off...so what has possibly happend is the axle has either slid over to the left a lil bit...or the swing arm bushings cold be gone causing the whole rearend to move....
IF YOU DONT HAVE WINGS U DONT HAVE A PRAYER!!
2004 Honda Rancher 400 A/t: Project quad. mods to come after i repair it
2006 TRX 450ER: HRC kit, AC blackline pro peg nerfbars, AC front bumper, DOXO shockwears, DMP Graphics kit
(SOLD)2002 400ex: shaved front plastics, k&n air filter, rejetted carb, Holeshot mxr rears, holeshot mx fronts, ac pro peg nerfs, ac front bumper, tag handle bars, Magnum rev box,nacs head light caps, nacs E brake block off, TC shorty exhaust, n-style graphics kit, and dirtbike clutch lever and perch
WEEEEEEEEEEEEE!!
he said his chain pops off mostly when going up hill and he does have a case saver
06' 450r Stock
1988 mustang gt-5.0 cobra intake, cam, headers.
1976 vette stingray-425 hp
1995 dodge ram-headers, projecter headlights, smoked euros out back
"We ride and never worry about the fall, I guess that's just the cowboy in us all"
WEEEEEEEEEEEEE!!
he said his chain pops off mostly when going up hill and he does have a case saver....he said his rear sproket looks like its getiting old...like teeth grinding off would that be the problem?
06' 450r Stock
1988 mustang gt-5.0 cobra intake, cam, headers.
1976 vette stingray-425 hp
1995 dodge ram-headers, projecter headlights, smoked euros out back
"We ride and never worry about the fall, I guess that's just the cowboy in us all"
Senior Member
yes.bearings are prob shot too. sounds like he dosent maintain it. what shape is the rest of the quad in?
2003 4??EX w/: too much stuff to list. im afraid to total the receipts.
2001 AC ZR600 vev efi le ITS FORSALE
1995 Chevy S-10 LS 4.3 5speed 6/7 drop with some custom stuff....lowest static in town....
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