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[BigLew]

yep I understand, it might run for 40,000 miles. But there have been enough failures that I would be ..................! BTW I serviced my bike 200 miles prior to belt breakage and it looked great to me! Point is you don't know and your not going to get a warning. Mine just snapped in half. 99% of the old belt looks great, its just the 1% where there is no belt now thats bad.LOL

Mike

[sburt23]

I broke my Falcon SPT 139 tooth after 10,000 miles. What would it entail to switch the rear pulley to the one on the trike, and use the 1 1/8" trike belt?

[moscooter]

I broke my falcon 139 tooth after 10,000 miles. What would it entail to switch the rear pulley to the one on the trike, and use the 1 1/8" trike belt?

An interesting question for sure.   Assuming your trans sprocket (30T),  is a HD one you got from Harley that was originally for the Trike,  you already have the wider sprocket needed there.

As to the rear wheel sprocket,  I looked at the trike parts list on Ronnies site,  and the (trike) rw pulley is 70T.  So,  assuming your rear pulley is really 68T like mine,  right away you would have a lower ratio.............assuming the trike pulley will exchange and fit on your bikes rear wheel and that there are no "clearance" issues...

70T divided by 33T would net you just about the exact same ratio.......So if you wanted to maintain pretty much the same thing as you had after going to the 30t trans sprocket,  you would need to find a (wider) 33T trans pulley.

Keep us posted if you are able to get all this to work

[sburt23]

Thanks for your research! While I am very happy with the 30t/68t gearing, I don't think I want to take it any lower. A guy I work with has an '06 RK, and he has an 1 1/8 wide belt on it. Do you know the number of teeth on the rear sproket for that bike? ( and whether or not it would fit on my 2010 FLHTK?)

[sburt23]

The Gates Poly Chain belt seems to be the best choice. Here is a quote from the Motorcycle Parts website.

http://www.tejasthumpcycles.com/Part...Rear_Belts.htm

"Gates brand rear belts are the same drive belts used by the Harley Davidson Motor Company since 1980 because of the reliability."

I have ordered the PC-139-1 belt. I hope this one lasts longer than the Falcon SPT did.

[DavidB]

The Gates Poly Chain belt seems to be the best choice. Here is a quote from the Motorcycle Parts website.

http://www.tejasthumpcycles.com/Part...Rear_Belts.htm

"Gates brand rear belts are the same drive belts used by the Harley Davidson Motor Company since 1980 because of the reliability."

I have ordered the PC-139-1 belt. I hope this one lasts longer than the Falcon SPT did.

All I could find there was a 139 1-1/8 Gates .

[moscooter]

 
SBURT....Your friends '06 likely has a narrower rear tire on his than you do.   The move back from 1 1/8 belts to the current 1" on models now is due (I think) to the wider tires the new models have.   You have a 180 rear tire and could not use a 1/1/8" belt even if the pulley would handle it because of lack of clearance.

 

[Dan_Lockwood]

Thanks for your research! While I am very happy with the 30t/68t gearing, I don't think I want to take it any lower. A guy I work with has an '06 RK, and he has an 1 1/8 wide belt on it. Do you know the number of teeth on the rear sproket for that bike? ( and whether or not it would fit on my 2010 FLHTK?)

In '08 they started putting the IDS on the rear sprocket, Isolated Drive System (I think that's what it stands for, it's been to long to remember).

This is a rubber set of cushions inside the hub to isolate the drive pulses from the motor.  So even if it would clear your tire you would need the new style rear wheel, at least that's my guess.

[sburt23]

Thanks for the info guys. I hope the Gates 1" belt will work better than the Falcon.
My dealer got it from Mid USA.
It would be the Gates Poly Chain PC-139-1. Mid USA Part # 77560. The info is listed at the following site:
http://www.beltdrives.com/reardrbelt2.html

[DavidB]

I wonder about there pc belt disclaimer ?


*NOTE: 1" and 1-1/8" wide belts are designed for custom show only. They are not intended to be used in lieu of a 1-1/2" wide belt. Use of a 1" or 1-1/8" wide belt is at the user's discretion and no warranty claims are made or implied by the manufacturers of the belts, Belt Drives Ltd, or distributors of this belt.

[moscooter]

 
I agree that (disclaimer) is bothersome,  but we never used 1 1/2" wide belts to start with did we??   I'm thinkin' they just wanna avoid any hassles with anyone breaking a belt.   I just last week read an article where a guy had a 90's something model and over 100K miles and still on his orginal belt.

The only belt breaks I have witnessed are those azzholes that think it's cool to do burn outs against a wall and fry their rear tire and often wipe out the belt in the process.

[BigLew]

I agree that (disclaimer) is bothersome,  but we never used 1 1/2" wide belts to start with did we??   I'm thinkin' they just wanna avoid any hassles with anyone breaking a belt.   I just last week read an article where a guy had a 90's something model and over 100K miles and still on his orginal belt.

The only belt breaks I have witnessed are those azzholes that think it's cool to do burn outs against a wall and fry their rear tire and often wipe out the belt in the process.

Really, and you're an idiot with no input or reason to be in this discussion. If you bothered to read the entire thread you might figure out there is a real issue with this gear and the belt breaks. No wait... You wouldn't figure it out. This is not a 90 something 50 tq bike. 110 have got plenty of tq and the stock Harley belt works great. But the falco belt is causing the problem. I know bikes that have done this change and I ride one. And riding it the way you described is not the issue. The belt brakes, period!

Mike

[naitram]

lets not make this personal

[BigLew]

Ok  sorry for the comment, I'm off this list.

[moscooter]

 
Well BigL.......if you have been perusing any of the other multiple threads regarding this gear swap,  you would likely see some entries from me as I finally made the swap too.   My 110 is not stock and puts out over 108 in both HP and Torque and so I'm invested myself in wanting answers to problems with these belts.   I happen to get the Drag Specialitis belt and am not sure just what company manufactored the damn thing,  but I'm hoping it doesn't break..............have a great day.