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2009 Suzuki 400LTZ QuadSport Service Manual
By
oxidized_black, in Suzuki ATV Forum
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By Bud03420
I just got this bike and not getting any spark I know nothing about it so before I spend any money on it I like to see if it fires dose it have to have a battery to complete a circut and spark cause it dosent have one
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By AimlessMoto
Hey guys, new here, but haven't found ANY answer to my specific problem on a Suzuki dedicated ATV forum, so here's to hoping!
I acquired a 95' Quadrunner 250, 4x4, (LT4WD) for practically nothing with no spark. The PO had tossed in a used stator which didn't fix the problem... so I went all routes (though cheaply) to narrow down the initial problem of no spark.
Plug, coil, CDI (caltric) and stator w/pickup (caltric) were purchased and installed. And it RAN, but bogged horribly and would not rev past 1/4 throttle.
I checked fuel flow, vacuum lines, all the normal stuff, no issues. I decided to check the valves and cam... well, there was one problem. The cam was 1mm under the lowest spec in the manual. So, in-came a new cam, Stage 1 Hotcams... also threw in a new set of shindy valves, lapped them, replaced the valve seals, and the timing chain.
Back together again (w/stock airbox and new oiled filter). Now it idles even better, still boggs at 1/4 throttle, but will rev past it if you hold the throttle open for a second. Ahaha... success!
So I was able to ride it above 1/4 throttle once I had momentum... could shift through the gears, all was good as long as I kept it over 1/2 throttle. Took a long enough ride to break in the cam properly at least so I won't have to worry about that.
Now, I start fiddling with the carb. It's clean as a whistle, stock, with stock jets (new replacement Mikuni jets). Same problem.
I start thinking, maybe this is fuel related and the bike is having an issue transitioning from idle jet to main jet... so I LOWER the needle by raising the clip 1 spot. Now it revvs up in neutral with no bog, but it boggs about the same trying to ride it. So I move the needle down again with the clip on the top slot. Better, but still has a bit of bog at 1/4 throttle.
The last bit of advice I got was to ditch the CV carb... so I sprung for a brand new Mikuni VM30-83 round-slide. Bolted it up, blew into the vacuum tube to fill it with fuel (no vacuum port on this one) and she fired right up... but there is still a bit of bog, it's just masked by the fact that I'm not waiting for the vacuum diaphragm to open.
So I feel like each little step brings me closer, but not perfect. I'm now wondering if this is still in-fact a carb tuning issue (I have some jets I can fiddle with and maybe lean-out the idle jet a little.) OR if the cheap-a** Caltric Stator/Pickup is what's causing these issues.
I have a 95' KingQuad with 400 miles on it... like new.. runs like a top... I've tried both the stock QR and the Caltric CDI boxes on it, and it revvs up and runs like a champ.
The only unknowns between the two systems are the carb, and the stator/pickup. My next step in troubleshooting is to rip apart the King Quad and test it's CDI on the Quadrunner... but considering there is no change to how it runs I doubt it will lead to a solution.
HOWEVER... I tried the stock CDI just recently after running the Caltric this whole time, and the bike runs like garbage. Hardly idles, and won't rev up at all. So, that is my one smoking gun telling me that it's either the pickup coil or the stator itself.
Has anyone had a problem even CLOSE to this? I can't image the carb would be causing this many issues, especially going to 2 different ones, both with stock jetting to OEM, and exhibiting the identical symptoms... the only change is when different CDI's are plugged in, or when the needle valve leans out the mixture.
Also, I checked the piston, rings and bore when I had it apart and they're like-new... no scoring, rings are loose, cylinder is still round and has honing marks still int he bore. Stock piston, stock bore size and it has 160psi compression. Battery is brand new, and I've tried 3 different R/R's, none of which change any symptoms, but slightly vary the charging voltage by .2-.5 of a volt depending on which unit. Also tried a new coil which changed nothing.
ANY help would be appreciated. Too much invested to not get it running right.
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By oxidized_black
these are what i have in my collection ... always looking for more
1985 - 1990 Suzuki LT230 & LT250 Service Manual
http://rapidshare.com/files/3408466380/1985%20-%201990%20Suzuki%20LT230%20%26%20LT250%20Service%20Manual.pdf
1987 - 1998 Suzuki Quad Runner 250 & King Quad 280 Service Manual
http://rapidshare.com/files/4183862408/1987%20-%201998%20Suzuki%20Quad%20Runner%20250%20King%20Quad%20280%20Service%20Manual.pdf
1987 - 2006 Suzuki LT80 Service Manual
http://rapidshare.com/files/2550473580/1987%20-%202006%20Suzuki%20LT%2080%20Service%20Manual.rar
1987 Suzuki LT500R Quadzilla Service Manual
http://rapidshare.com/files/4261907986/1987%20Suzuki%20LT%20500R%20Quadzilla%20Manual.rar
1988 - 1992 Suzuki LT250R Porting Instruction
http://rapidshare.com/files/2211227601/1988%20-%201992%20Suzuki%20LT%20250R%20Porting%20Instruction.pdf
1988 - 1992 Suzuki LT250R Quadracer Service Manual
http://rapidshare.com/files/2017114826/1988%20-%201992%20Suzuki%20LT%20250R%20Quadracer%20Service%20Manual.pdf
1988 - 1992 Suzuki LT250R Tuning Guide Instruction
http://rapidshare.com/files/2646189275/1988%20-%201992%20Suzuki%20LT%20250R%20Tuning%20Guide%20Instruction.pdf
1999 - 2004 Suzuki King Quad 300 Service Manual
http://rapidshare.com/files/4083575866/1999%20-%202004%20Suzuki%20King%20Quad%20300%20Service%20Manual.PDF
2002 - 2007 Suzuki 500LTA Service Manual
http://rapidshare.com/files/117478118/2002%20-%202007%20Suzuki%20500%20LTA%20Service%20Manual.pdf
2002 - 2009 Suzuki LTF250 Ozark Service Manual
http://rapidshare.com/files/487503898/2002%20-%202009%20Suzuki%20LTF%20250%20Ozark%20Service%20Manual.pdf
2003 Suzuki LTZ400 Service Manual
http://rapidshare.com/files/158558615/2003%20Suzuki%20LTZ%20400%20Service%20Manual.rar
2006 Suzuki 50LTZ Quad Sport Service Manual
http://rapidshare.com/files/4135680547/2006%20Suzuki%2050%20LTZ%20Quad%20Sport%20Service%20Manual.pdf
2004 Suzuki 250LTZ Quad Sport Service Manual
http://rapidshare.com/files/1048588852/2004%20Suzuki%20250%20LTZ%20Quad%20Sport%20Service%20Manual.pdf
2005 Suzuki LTA700 King Quad Service Manual
http://rapidshare.com/files/1790653344/2005%20Suzuki%20LTA%20700%20King%20Quad%20Service%20Manual.pdf
2007 Suzuki 90LTZ Quad Sport Service Manual
http://rapidshare.com/files/4042730335/2007%20Suzuki%2090%20LTZ%20Quad%20Sport%20Service%20Manual.pdf
2008 Suzuki 400FLTF King Quad Service Manual
http://rapidshare.com/files/3004786025/2008%20Suzuki%20400F%20LTF%20King%20Quad%20Service%20Manual.pdf
2008 Suzuki 750 King Quad Service Manual
http://rapidshare.com/files/630050962/2008%20Suzuki%20750%20King%20Quad%20Service%20Manual.pdf
2009 Suzuki 400LTZ Quad Sport Service Manual
http://rapidshare.com/files/3513183033/2009%20Suzuki%20400%20LTZ%20Quad%20Sport%20Service%20Manual.pdf
ALSO CHECK SUZUKI ATV SERVICE MANUAL DOWNLOADS
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By JCH
Hi there
I am in need of a manual for my KLF 300 Bayou 4x2 . I've found others on here for the 4x4 model, but was wondering if I need a separate 4x2 manual. Does anyone know?
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