Loose Front Chainwheel By newscoot (Read 687 times)

[newscoot]

Hello I'm new to the board and to the world of scooters in general.

Scored a deal on Craigslist with a low mileage Ice Bear Cyclone.

Its been a lot of fun for the first 600 miles.  

This morning after my ride I hear a strange noise from the scooter bottom.

After inspection I notice the chain has broke.

After further inspection the front chainwheel slides easily from side to side.

I spoke with Jim at rapidrepair and he mentioned there may be a clip that holds the chainwheel in place.

I dont see it in the parts diagram.  

Does anybody know how to obtain such a part or even mcguyver one up?

[richardv]

There appears to be a groove for a C-clip on the shaft. Could a hose clamp be used on the shaft? Enough room and clearance?

It appears you lost part of the quick link on the chain. It and a C-clip should be available at a motorcycle shop or small engine repair shop. Possibly a hardware store. The C-clip will require an installation tool. Like a pair of pliars.

[Alleyoop]

I have to tell you THAT IS NOT the motor that came with that trike. That is a home made Sprocket attachment on a regular motor for a two wheeler. I mean even the shaft is angled. TAKE A PICTURE of the WHOLE REAR END of that thing.

HERE IS WHAT IT SHOULD LOOK LIKE:
Alleyoop
THE REAR AXLE:



THE REAR OF THE MOTOR WITH THE DRIVE SPROCKET:

[cyborg]

It does look funky Alley,,very strange engineering to say the least

[Alleyoop]

Yea he did not want to put out for a TRIKE MOTOR which run over $400.00 bucks.

[cyborg]

That explains it Alley,,,man that engineering job is stranger than fiction on that thing

[Alleyoop]

Here is what is on the trike a 150cc Drum Brake Two Wheel Motor.
Trikes have TWO motor mounts in the front AND on the Rear, Two wheel scooters only have One Motor Mount on the Rear.



To help the situation that setup needs a piece of on the Shaft that extends to the LEFT so it does not move more than 1/8 of an inch in either direction. That is why the Chain broke it moved to much to the left.

I am sure there was a "C" Clip on that grove on the shaft but it was not strong enough to hold the pressure put on it and it popped off or broke off.

Alleyoop

Here is HOW to At Least get it back on the road.
The best fix so it does not move more than 1/8 of a inch is a piece of metal to fit the open space. Try a Gas pipe and cut it to length Allow for at least 1/16 of movement left and right for alignment.

REMEMBER the Front Sprocket Must be Aligned with the REAR SPROCKET on the Differential OTHERWISE you will always break the chain.

CLICK ON THE PICTURE TO EXPAND IT SO YOU CAN READ WHAT I WROTE.

[Alleyoop]

Here is another person with the same problem as yours:

scooterdoc.proboards.com/thread/12238/adjust-sprocket-ice-bear-viking?page=2&scrollTo=110629

[crwford]

Look at end of sprocket 3 bolts metal tin bent over to hold to bolts from unscrewing. I have something like that but is attached to a bracket just wondering is a a bracket broke loose and fell off? and maybe that's why gear slides around?

[Alleyoop]

Pictures Crwford would help with what you are talking about.

[crwford]

I this not the but look a his picture gear looks like mine if you see the black plate the 3 bolts are attached to it.

[crwford]

Poor picture I will take another one be back

[crwford]

My question what is his 3 bolt son gear holding

[Alleyoop]

His 3 bolts are holding the SPROCKET onto the back plate. The sprocket is a stand alone piece that bolts onto the shaft that has a plate to bolt a sprocket to it.
Alleyoop

You can see the back plate in this picture: