I just picked up a new Trailboss 330, where do I check the slack in the chain ( at what points on the chain, or does it matter) and how do you make adjustments if necessary?

Thanks in advance

 

from another post...

As far as the rear chain goes I adjust it as follows.

Use a strap and compress the rear suspension so the drive sprocket, swingarm bushing and rear axel are all in a straight line. (This is the hard part.)

Then loosen up the two bolts that hold the rear axel bearing housing. (loosen them up all the way but do not remove them)

Push the bike forward so all the chain slack is at the top of the chain.

Use a pipe wrench and turn the rear axel bearing housing to adjust the chain tightness. (be careful not to break the grease fitting)

When the proper tension is on the chain (I like mine about 0.5 inches play) tighten up the two bolts that hold the rear axel bearing housing.

Then remove the strap and ride it.

Yes it will look loose when just sitting there. Loose is ok. it was designed that way. Tight will break things. Expensive things like transmission housings and stuff.

Concentric and non concentric refer to the placement of the drive sprocket and the swingarm bearings. A concentric one will not change the chain tension as much when compressing the rear suspension.

A non concentric system will make the chain looser with the suspension unloaded and tighter when pushing the rear of the quad down. that is why if you tighten it up too much it will break something when you take a jump.

Nothing wrong with loose. (up to a point) that is the way it is designed. If the appearance of a loose chain bothers you then you could get a chain tensioner. you still need to adjust and maintain.


-I just loosen the carrier bolts , put a draft or punch in the sprocket and roll it forward to take out the slack and re-tighten the bolts.

Jim

 

I believe that your 330 is a concentric drive, so you don't have to compress the rear suspesion when adjusting the chain. Just make sure that after you adjust it you push the quad a foot and recheck, and repeat until you have tested all sections of the chain. Some sides can be tighter than others; make sure the whole thing is loose enough.

Ty