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Started By
Message
Need help with one of those Chinese four wheelers
Posted on 2/17/19 at 3:50 pm
Posted on 2/17/19 at 3:50 pm
I was recently given one of those 60cc 4 wheelers, model number kd60a-2 to be exact, and the back tires appear to be locked up. The brakes are working properly, so that’s not stopping them.. I’m not really sure what to do, anyone have any experience with this??
3
Posted on 2/17/19 at 4:33 pm to Mr. Hangover
I see where it's a chain drive so if you pull the chain off it's either the brakes or bearings locked up.
If it rotates after you pull the chain it should be the engine/transmission.
If it rotates after you pull the chain it should be the engine/transmission.
Posted on 2/17/19 at 5:03 pm to Barneyrb
The chain is not locked up, it’s not the brakes either
Posted on 2/18/19 at 9:04 am to Mr. Hangover
Man I was given two of those bastards. I am very mechanically inclined. But if I wasn’t I’d thrown them away. Ride them a day and work on them two days. Seriously.
Also/ buy all the parts you can online. The markup is 8,999 percent at a local parts dealer (if you can find one)
Also/ buy all the parts you can online. The markup is 8,999 percent at a local parts dealer (if you can find one)
Posted on 2/18/19 at 9:07 am to LSU Neil
Also- what Barney said above- i would remove chain to eliminate it and the motor from the equation first
Posted on 2/18/19 at 9:31 am to Mr. Hangover
Sounds like bearings. Don't buy replacements from the Chinese parts places for this. Get the size and go to the local parts place and get good bearings.
Posted on 2/18/19 at 9:47 am to bamarep
Swap spark plugs and with an ngk...
Get some American bearings (timken) from a local source...some timkens have been starting to get outsourced.
Or get the SKF Japan made bearings and you'd have a decent little rig.
Get some American bearings (timken) from a local source...some timkens have been starting to get outsourced.
Or get the SKF Japan made bearings and you'd have a decent little rig.
Posted on 2/18/19 at 11:03 am to thejudge
I’m gonna ramble on for a second because this fricking thing has me and my dad (who is a much better mechanic than I am) bamboozled...
So the first thing we did yesterday was change the battery, because the guy that gave it to me said his daughter left the key on, and left it out in the rain so the battery wasn’t good anymore.. so we swapped the batteries, and initially, it tried rolling over ONCE, then after that, it sounded like the brand new battery wasn’t giving out enough juice to get it started..
The back axle still won’t spin (we aren’t even sure it’s supposed to roll when the key is off, because there is no shifter on here, there’s no neutral or reverse).. the disc brakes don’t appear to be locked because I can see a gap on each side of the actual disc. The chain isn’t stopping it either because there is a little play in it.
Really not sure what to do. Shouldn’t be having problems like this because the bike only has about 40 minutes of riding time on it.
Any help or advice would be appreciated - I’ll try to upload some pics when I get off later
So the first thing we did yesterday was change the battery, because the guy that gave it to me said his daughter left the key on, and left it out in the rain so the battery wasn’t good anymore.. so we swapped the batteries, and initially, it tried rolling over ONCE, then after that, it sounded like the brand new battery wasn’t giving out enough juice to get it started..
The back axle still won’t spin (we aren’t even sure it’s supposed to roll when the key is off, because there is no shifter on here, there’s no neutral or reverse).. the disc brakes don’t appear to be locked because I can see a gap on each side of the actual disc. The chain isn’t stopping it either because there is a little play in it.
Really not sure what to do. Shouldn’t be having problems like this because the bike only has about 40 minutes of riding time on it.
Any help or advice would be appreciated - I’ll try to upload some pics when I get off later
This post was edited on 2/18/19 at 11:04 am
Posted on 2/18/19 at 11:30 am to Mr. Hangover
Make sure you're in neutral first...
Tbh.
After working on a few just find you a Honda 90. By the time it's all said and done it ain't worth it.
I just bought a 250 recon for $600 and put $200 in it.
Runs great. Kids can ride it when they get a bit bigger.
Cut your losses man. I've lost my religion on two of them.
You'll spend twice the time working on it than using it.
I'm not someone who gives up. I live to troubleshoot and rebuild. Those bikes aren't worth it.
Tbh.
After working on a few just find you a Honda 90. By the time it's all said and done it ain't worth it.
I just bought a 250 recon for $600 and put $200 in it.
Runs great. Kids can ride it when they get a bit bigger.
Cut your losses man. I've lost my religion on two of them.
You'll spend twice the time working on it than using it.
I'm not someone who gives up. I live to troubleshoot and rebuild. Those bikes aren't worth it.
Posted on 2/18/19 at 11:33 am to thejudge
Unless I completely missed it, there is no shifter on this bike... forgot to mention, it was running without a hitch before she left it out in the rain with the keys on 
It’s for my four year old.. I have one of those old school ranchers (350 ES) waiting for him when the time is right, he’s just too small right now
It’s for my four year old.. I have one of those old school ranchers (350 ES) waiting for him when the time is right, he’s just too small right now
This post was edited on 2/18/19 at 11:36 am
Posted on 2/18/19 at 11:48 am to Mr. Hangover
There is no telling then. How long was it in the rain? Could water have gotten in and locked the motor up? Have you tried pulling the spark plugs and and rocking back and forth?
You need to fight one battle at a time. Jack it up and disconnect the rear end from the motor via the chain. See if rear will free spin or if the motor will turn over freely.
Something is in a bind. If it's the rear start disassembly.
If it's the motor you might get away with putting some marvel mystery oil in spark plugs and area (not a ton) and trying to free it up.
Maybe it was a case of "it was out in the rain (after we submerged it) and now it won't start" hehe.
You need to fight one battle at a time. Jack it up and disconnect the rear end from the motor via the chain. See if rear will free spin or if the motor will turn over freely.
Something is in a bind. If it's the rear start disassembly.
If it's the motor you might get away with putting some marvel mystery oil in spark plugs and area (not a ton) and trying to free it up.
Maybe it was a case of "it was out in the rain (after we submerged it) and now it won't start" hehe.
Posted on 2/18/19 at 12:02 pm to thejudge
Yea there’s really no telling. I know the guy and his little girl, I highly doubt it was submerged.
I think when I get home today, I’ll disconnect the brakes and chain and try to eliminate those possibilities..
We took the spark plug off yesterday and it looked fine. The oil level was good also and the gas inside the tank was clean/fresh. I emptied the gas out of the bowl in the carb too. The carb looked to be in good shape, but I’m guessing I’ll take it off and soak it before we are done just to be sure
I think when I get home today, I’ll disconnect the brakes and chain and try to eliminate those possibilities..
We took the spark plug off yesterday and it looked fine. The oil level was good also and the gas inside the tank was clean/fresh. I emptied the gas out of the bowl in the carb too. The carb looked to be in good shape, but I’m guessing I’ll take it off and soak it before we are done just to be sure
Posted on 2/18/19 at 12:52 pm to Mr. Hangover
Take the spark plug out and try to crank it or push it to see if it will roll. That will check to see if the engine is hydro locked. If it doesn't turn over or roll with spark plug out. Find the master link on the chain and remove the chain. Try rolling it again. If it doesn't roll it's a rear brake or axle problem. If it does roll the problem is in the engine or drive gear.
Posted on 2/18/19 at 1:08 pm to weadjust
Yep thanks, that’s gonna be the plan today when I get home..
Let’s say I have the problem isolated to the rear end.. what else is back there besides the brakes that would keep it locked up? Should be just bearings back there, right?
Let’s say I have the problem isolated to the rear end.. what else is back there besides the brakes that would keep it locked up? Should be just bearings back there, right?
Posted on 2/18/19 at 1:31 pm to Mr. Hangover
Brakes or bearings is about the only thing that would keep the rear axle from turning with the chain off. I don't think the rear axle is the problem.
This quote indicates the engine is locked up. Possibly hydro locked from gas leaking into the cylinder from the carb. Another indicator of a leaking carb is the engine oil will smell like gas. Try cranking it with the spark plug removed.
quote:
so we swapped the batteries, and initially, it tried rolling over ONCE, then after that, it sounded like the brand new battery wasn’t giving out enough juice to get it started..
This quote indicates the engine is locked up. Possibly hydro locked from gas leaking into the cylinder from the carb. Another indicator of a leaking carb is the engine oil will smell like gas. Try cranking it with the spark plug removed.
This post was edited on 2/18/19 at 1:38 pm
Posted on 2/18/19 at 1:56 pm to weadjust
Yes. Hydro locked would be my guessing. Especially since it acted like it would turn over then like the starter/batter wasn't enough to move it.
It should have a pull rope. See if you can free it with a pull rope as well...
Keep us updated. I'd like to know how she turns out.
It should have a pull rope. See if you can free it with a pull rope as well...
Keep us updated. I'd like to know how she turns out.
Posted on 2/18/19 at 2:00 pm to thejudge
There is no backup starter (pull rope)
For those that are interested, this is the exact bike I’m working on:
LINK
It’s the 58cc model
I’m guessing there’s no easy fix for this, right?
For those that are interested, this is the exact bike I’m working on:
LINK
It’s the 58cc model
quote:
This quote indicates the engine is locked up. Possibly hydro locked from gas leaking into the cylinder from the carb. Another indicator of a leaking carb is the engine oil will smell like gas. Try cranking it with the spark plug removed.
I’m guessing there’s no easy fix for this, right?
This post was edited on 2/18/19 at 2:06 pm
Posted on 2/18/19 at 2:11 pm to Mr. Hangover
If you watch the video in the link. The guy cranks it up and it idles without moving. So even if the rear axle was locked up it should still crank and idle. He did say you have to squeeze and hold the brake handle to start it.
Did you squeeze and hold the brake handle when you tried to start it?
Easy fix. Turn the engine over a few times with spark plug out to get fuel out of cylinder. Change the oil. Put spark plug back in. Fix the carb leak or turn the fuel off after riding. Or like I do on my riding lawn mower clamp the fuel line with a pair of vise grips.
Did you squeeze and hold the brake handle when you tried to start it?
quote:
I’m guessing there’s no easy fix for this, right?
Easy fix. Turn the engine over a few times with spark plug out to get fuel out of cylinder. Change the oil. Put spark plug back in. Fix the carb leak or turn the fuel off after riding. Or like I do on my riding lawn mower clamp the fuel line with a pair of vise grips.
This post was edited on 2/18/19 at 2:14 pm
Posted on 2/18/19 at 2:14 pm to weadjust
Not the first few times.. I did after I watched the video though
I was surprised at how little I found on this bike by googling it
Good to know.. thanks.
I was surprised at how little I found on this bike by googling it
quote:
Easy fix. Turn the engine over a few times with spark plug out to get fuel out of cylinder. Change the oil. Put spark plug back in. Fix the carb leak or turn the fuel off after riding. Or like I do on my riding lawn mower clamp the fuel line with a pair of vise grips
Good to know.. thanks.
This post was edited on 2/18/19 at 2:16 pm
Posted on 2/18/19 at 2:36 pm to Mr. Hangover
quote:
so we swapped the batteries, and initially, it tried rolling over ONCE, then after that, it sounded like the brand new battery wasn’t giving out enough juice to get it started..
I bought 2 Chinese ATVs for my boys several years ago brand new. Both of them had this problem. Had to jump them every time they rode them. They were total shite.
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