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By dlgg7
I've had this for probably 15 years. It ran great till 4-5 years ago, mainly riding the grandkids around our fields, till it wouldn't start. It sat for a couple of years till I bought a new battery, but couldn't get it to even hit, so rebuilt the carb, put on a new fuel pump, but no go, so it's sat. Several days ago, charged battery, cranked over and it started??? OK, idles good, but won't rev up, so emptied gas tank, flushed out and filled w/good 93 octane, pulled pump line from carb and have good full line of fuel cranking over. New spark plug, good spark, old one black BAD! Oil change, adjusted valves, no difference. Pulled carb and took apart and cleaned, didn't find any clogs or crusted up inside. Now I've had the carb back off probably 6 times checking, double checking anything I can think of. No gas blowing back in air box. It idles good, can increase throttle up some then starts popping and dropping rpms off and if I don't let off the throttle, it'll die. I've read for 3 days now MECHs and RANDY walking several thru tracing the same problem, tried MOST of the direction given. ??? -
By quadmaniac
The websites below will show you ATV laws and some stats for each state.
ATV Laws and Information - By State
ATV Legislation - By State
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By Seriousbird
1992 Suzuki kingquad 300 with 17000 kms.
New intake boot same old problem. Starts and Idles perfect, wont take any % of throttle. Same tune i had as when it got flooded with water.
All i did since then:
Cleaned the top and bottom of the carb and jets.
Swapped different plastics onto it.
Rebuilt the starter.
Added another ground. (Since removed)
Extended the positive terminal so it can fit without strain.
Added battery.
Swapped carb diaphragm off of another. (No holes)
Did a temporary oil cooler delete.
Flushed and replaced the oil.
Just added a brand new intake boot & gasket....
Had it running perfectly just days ago minutes after i siliconed the intake gasket. It has since melted away from gas i assume. Didn't touch it for 4 days went to go for a ride and bogged and bogged. Replaced the gasket and intake boot to no avail, so i really don't know what's going on now.
The spark plug is dry carbony but it's the same tune as before..
Has good fuel flow in the line, fuel is new.
I was testing spark yesterday and it was bright orange. And it eventually went back to its white, Not blue by any means.
Before i replaced the intake boot it would take tension on the throttle and you would get 2000 rpm max before it bogged..
Since i replaced it, it won't take any at all. Spraying flammable liquids into the carburetor had the same bog result. I tried spraying said flammable liquids around the head boot seal and didn't notice any difference. I didn't try for too long.
boot to head is tightened as much as i could with a screwdriver + less than a quarter turn with a ratchet.
Previous silicone very possibly could have fell into the combustion chamber and did something there??...
No difference with any choke, with or without airbox boot, pressurizing the fuel tank, battery disconnected.. there was a point where i left choke on and had the air filter that came with it on and it flooded the whole airbox with fuel, That was when i was building compression because i lost all of it during the flushing process. (It's back now)
Im lost! This thing was perfect until i got water in the oil and flushed everything and what not. Its only been less than a week since then so theres no chance the fuel went bad.
Snapchat-1004857443.mp4 Ps the switch is a neutral safety switch bybass. It really hates itself with the switch off. It makes a knocking noise and idles with a surge. Is perfect with a battery connected off and on but without a battery it has to be on..
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By cervenakrava
Hi,
New to ATV repair but willing to learn and get my hands dirty.
We start the atv and even with a good battery, it will drain it very quickly and eventually the atv shuts down. Checking the battery afterwards shows significant drain on it.
Would this be a shot alternator? Some electronics module?
Thank you kindly. Just need to be pointed in the right direction and then with a repair manual will get to it.
Cheers
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By Fishy09
Hi folks I have been registered on the forum since 2012 & enjoy reading the mechanical issues and advice given to remedy them, I have not received the weekly newsletter since Feb 12 & just wondered if I had not been included due to lack of posts or input, there has been no change of email address or forum settings change from my side and miss my weekly fix following the current issues folks are having, looking forward to being added to mailing list again 👍.
Cheers.... Fishy
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