Chain keeps being thrown

[solomon]

on my 1 wheel drive kart it keeps throwing the chain. either immediately or within 30 seconds high or low rpm's. The motor is bolted on tight, its lined up correctly, and sprocket on wheel looks straight. Chain is pretty tight as well. could the chain be bad i received the whole kart with out the motor and threw mine on it, so the chain is old

 

[Kart builder39]

Check if chain is twisted, cracked links, bad teeth,and stuff like that.

 

[vandancouver]

maybe the master link is hitting the sprocket. try taking off the chain and flipping it around the other way, after lubing it

 

[solomon]

ok i'll give it a shot in the morning. i noticed it has 2 master links on it so the chain must have snapped and links broke at 1 point. so maybe chain is twisted or warped?

 

[r_chez_08]

the chain can come off if too tight

 

[jorge0136]

I have more than 1 master link. I put a different sprocket on and needed a longer chain. I added a length of chain with a master link. I can take off the link and go back to my other sprocket. How sure are you that the sprockets are in fact in line?

Have you put the kart on it's side(assuming that it won't spill fluids if you do) and put a level between the sprockets? If the chain is too tight it can come off as well. How worn out is the sprocket? That could do it too. Are all the links in the chain loose? If there is one stuck/frozen link it can buck it off from that too. Might be worth just buying a new chain.

 

[mike75925]

my manco would throw the chain but that was when nearly drifting it on asphalt. too much flex on one or more parts. chain should be taunt but give a bit. how are your bearings? you may need to tighten them or replace them.

 

[jr dragster T]

chain should be taunt but give a bit.

Chain should never be taught at all
1/4"-3/8" free play is what your looking for.

 

[vandancouver]

did you fix it yet? curious what hte problem was

its crucial its lined up properly.

take it off and go buy a new chain for 8 dollars. thats what i paid for a new chain including master link, #41 at my local hardware store

 

[t0x1k]

Master links are the weakest link.
I built my cart, and not even 5 minutes of riding the master link exploded. Just press out the pins and put them back in. Safest thing.

Go to lowes, they're marking down the #41 chain for like $3 a roll.

 

[solomon]

Sorry i took so long, So i went ahead and checked and the alignment was off so i corrected that, but the chain suddenly snapped today and it was both the master links that went. Now i need to get some more im gonna buy like a 10 pack so im set for a while on both my karts

 

[freakboy]

just dont use master links just punch pins out and put them back in.

 

[solomon]

hmm i dont seem to catch your drift. What do u mean? I have pounded with a punch on a pin on this chain and it doesnt budge

 

[freakboy]

what size chain are you using?

 

[solomon]

#35

 

[brendonv]

U need a chain breaker, u can buy em on ebay.

 

[freakboy]

If i were you i would up grade to #41 much stronger.

 

[solomon]

then i would have to do the axel sprocket and the clutch and they r both pretty **** new. and i already own plenty # 35 chain. i am thinking about welding up my dirt bike sprokets and chain its 41

 

[freakboy]

well just get this crap sorted out. use the 35 chain it should be enough make sure both sprockets arent worn down on the teeth make sure your using the right sprockets for the chain. make sure they are EXACTLY IN LINE use only 1 master link per chain and have little less then half inch of chain play and clean and lube your chain.

 

[solomon]

ok sounds pretty good to me, makes sense, i really want to make a shifting transmission how would i do that with this engine? i dont want to use a 2 stroke or other dirtbike engine just my stock 5 horsie