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this is not good
- problems
started by TeamCantAfford
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September 15th 2008 at 7:52 PM
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TeamCantAfford
Starting Member
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19 Posts
Group: Members
Member Since: June 18th 2008
Current Dirtbike: 2007 kx250f
Race Number: 377
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well sunday i went out for practice got to the line took off didnt even make it on the track and my bike just shut off.i tried kicking it ovr and it seemded to kick over hard so i pushed it back to our trailor. then tried starting it and it started right up so i went back on the track went around once no problems seemded to have a little less power but it was a sand track so i thought maybe that was the cause..as soon as i pullded of the track it started making a ticking noise so i shut it off..any body have any idea's...ive had the valve train off and everything seems to look good...timings good..chains good.(i thought maybe it skipped a tooth but no)also i had the timing covers on the side off and it turns over hard once for the compression stroke the it has another spot where it turns over slightly hard again....any body have an idea? maybe a ring broke?piston?crank bearing or crank?....
2009 kx250f
2007 kx250f
2006 ktm sx-f250(for sale)
#377
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September 15th 2008 at 8:58 PM
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MX86
What's this button do?
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753 Posts 
Group: Moderators
Member Since: June 5th 2008
Location: Nashwauk, MN, USA
Current Dirtbike: 2006 Yamaha yz250
Race Number: 86
Sponsors: X-Brand, Gravity Worx
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guessing a bad connecting rod bearing
Living Life 1 berm at a time.
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September 15th 2008 at 9:19 PM
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DarksideCR
My givadamn broke and I aint fucking fixing it!
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341 Posts 
Group: Members
Member Since: July 4th 2008
Location: Kirkland lake, ONTARIO, Canada
Current Dirtbike: 2000 CR250R
Sponsors: Vortex
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check your compression.
The honda revolution continues!
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September 15th 2008 at 9:47 PM
[ Modified September 15th 2008 at 9:50 PM
]
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James125
Smokers Rule
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119 Posts
Group: Members
Member Since: June 18th 2008
Location: wasilla, ak, USA
Race Number: 357
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Ticking could be valve train or connecting rod bearing, Did you check valve clearence? Maybe try a leak down test.
Take the spark plug out and turn it over look for hard spots or noises.
I'll race you when you learn to turn. Any retard can go fast in a straight line.
Sold my bike new one come spring....
1997 xlt 600 A few goodies
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September 15th 2008 at 11:13 PM
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Kawi_Rider_316
Team Not Even Scared
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620 Posts 
Group: Members
Member Since: July 11th 2008
Location: Ocheyedan, Ia, USA
Current Dirtbike: Kx 250F
Race Number: 316
Sponsors: Spencer Motorsports
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My friend had a ticking noise in his honda sounds similar, the person that checked/set the valves forgot to put a shim in or somthing i believe. idk just an idea
"Jump for show, Corner for dough"
"In ball and stick sports they give you the balls, In Motocross you have to bring your own"
Sponsors:
Glens Sport Center, FC MODS, MSR, Sunline, Tag, Filtron, Six Six One, Steel Mx, Dunlop,
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September 16th 2008 at 5:39 PM
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TeamCantAfford
Starting Member
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19 Posts
Group: Members
Member Since: June 18th 2008
Current Dirtbike: 2007 kx250f
Race Number: 377
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well i had i guy that is a kawi mechanic look at it.he said the valve train looks good and that his guess is that its something in the bottom end.ill have more info by the end of the week..i guess either way while i have the engine apart and out i might as well rebuild the whole thing right? anybody like certain a certain brand of pistons,valves,crank...etc not sure if i should just go with the stock stuff or buy some aftermarket high performance stuff 
2009 kx250f
2007 kx250f
2006 ktm sx-f250(for sale)
#377
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September 16th 2008 at 6:17 PM
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James125
Smokers Rule
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119 Posts
Group: Members
Member Since: June 18th 2008
Location: wasilla, ak, USA
Race Number: 357
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I would go with CP Pistons and Hot Rods bottem end kit thats me. I have used wiseco and they suck they burn up way to easy. My bike was just a tad lean and it burnt up in less than a hour.
I'll race you when you learn to turn. Any retard can go fast in a straight line.
Sold my bike new one come spring....
1997 xlt 600 A few goodies
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September 16th 2008 at 7:08 PM
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Kawi_Rider_316
Team Not Even Scared
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620 Posts
Group: Members
Member Since: July 11th 2008
Location: Ocheyedan, Ia, USA
Current Dirtbike: Kx 250F
Race Number: 316
Sponsors: Spencer Motorsports
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I had pro circuit piston, cam, valves, springs in Honda last year. I liked it but it was hard to start, partially because of honda ha ha and part because of the cam. I have all stock in my Kawi so not sure as far as the Kawi's go.
"Jump for show, Corner for dough"
"In ball and stick sports they give you the balls, In Motocross you have to bring your own"
Sponsors:
Glens Sport Center, FC MODS, MSR, Sunline, Tag, Filtron, Six Six One, Steel Mx, Dunlop,
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September 16th 2008 at 7:24 PM
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TeamCantAfford
Starting Member
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19 Posts
Group: Members
Member Since: June 18th 2008
Current Dirtbike: 2007 kx250f
Race Number: 377
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ya i have been looking at going with the pro circut set-up but im not 100% sure on anything at this point...the only thing im sure of is that im gunna be forking up some $$$$$$.haha
2009 kx250f
2007 kx250f
2006 ktm sx-f250(for sale)
#377
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September 16th 2008 at 9:50 PM
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MX86
What's this button do?
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753 Posts
Group: Moderators
Member Since: June 5th 2008
Location: Nashwauk, MN, USA
Current Dirtbike: 2006 Yamaha yz250
Race Number: 86
Sponsors: X-Brand, Gravity Worx
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i run Wiseco in my yz250, one thing i learned is that the tolerances are really tight on the wiseco, so you need to let the bike warm up. and jet it slightly on the rich side.
Living Life 1 berm at a time.
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