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Well I came on here hoping to read a manual about the quad but found that I have to make some posts before that can happen, so here is one.
I work on peoples stuff. Had this well used unit come to me with a no start issue. I found it had fuel and spark was good but it only had 30 pounds of compression. I put each cylinder to TDC and feed the plug hole with a small amount of air pressure and could hear the escaping air coming out the carb openings. I then checked the valves lash at TDC and found that booth cylinders had 0 lash for the intake valves. I reset the lash to .003 for all the intake valves and reapplied a small amount of air pressure and the leaking of air was gone. I then spent a few hours screwing all the parts I had to take off, back together and then drove it out of the shop.
The lash was only 1/4- 1/2 a turn too tight that caused the valve to stay open just enough to make it not start. IMO the heads could use an overhaul some time soon as the valves and seats have become a bit warn.
These ATV's just have too much crap stuffed into a small space, I wounder how many fasteners are used to hold 1 ATV together?
By Frank Angerano
So here’s a question. I have seen a few members that have recently purchased a used bike. Also a HUGE amount of so called new members who have purchased a used bike and have come here “just here for a manual”.
Some have been disappointed with the bikes and or knew they were getting a broken bike with some mechanical experience thinking hey I can fix it. So here’s my take on buying a used bike. Anyone who has followed some of mine and other members posts about what to look for when buying a used bike here’s a few pointers on what to look for.
1. I always check the oil and look for moisture, metal shavings and color.
2. Feel the compression or take a compression tester with you.
3. Check for spark (if the bikes not running)
4. Take a small jumper pack to verify that the starter cycle works and the bike cranks.
5. Look for bent or cracked frame/welding that was done on the frame from maybe a wreck.
5. Mismatch plastics by looking under neath.
7. Bolts on the engine/frame that look like they are stripped from someone taking the bike apart.
8. Any kind of scilicone or gasket adhesive that was used on a cover plate or engine seem where the engine was taken apart.
9. Patches on the exhaust pipes with sheet metal or jb weld patch material.
10. Wiring messes on the harness like bundles of tape where the harness was opened up and taped up for an after market device or just plain butchered up.
11. Put the bike in gear (running or not) and roll the bike back and forth to see that the gears work and you feel resistance like the engine is trying to spin while pushing it forward as if you were push starting it
12. I keep a vin# decoder website on my phone as a favorite to double check the year of the bike .
All though nothing is fool proof these tips will help you along while buying a used bike. Not only that but it will help you negotiate a fair price for a bike that may have one of the above problems.
I have minimized this entire process down to about 15 mins. I buy all the time so I don’t expect you to do the same or have a compression tester etc but use some of these tips when buying and go into the purchase with confidence!
I would like to hear anyone else that has any input on buying a bike and what to look for!
hi all i have a klf300 4x4 1999 lost spark i have replaced regulator /rectifier , replaced cdi unit
quad turns over but no spark
if you have ignition on and hold the wire to coil if you touch it on and off it has a spark each time you touch the wire to the terminal on the coil
pulse coil is pulsing
any ideas please
picked up this pos bike for $80 not running. took it home, cleaned the carb and bypassed the fuse- ran great (other than the rev limiter- those things are so stupid) Then one day out of the blue it starts flooding on cold startup and wont idle cold, but idles to fast warm. (too fast being about half throttle speed heh). I tried a new carb ($10) and new sp. new carb wouldnt make it run except on choke and then it was gushing white smoke. I had better things to do with my time so I parked it in a shed and used it for a work bench for a while... this last weekend, I wanted to take it along with the sportman to a mens retreat to let the younger boys have some fun on it-- took about 30mins to pull all the crap I had accumulated on it and then rolled it down to my workshop, put the old carb back on after adjusting the needle clip up two notches (leaner) and threw it back on the bike. Will turn over, but no fire. I didnt have time to check sp that day but just wanted some incite on what could be wrong with this quad (if it even qualifies as being called that)
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By Jeff Wharton
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