Belt to Chain FXR

[hbkeith]

looking at Belt Drive to Chain drive conversion kits for my 92FXRS Conv. , 1 company says this sprocket tooth count equals stock gearing ,another co says different   , one has offset tranny sprocket others say no . stock wheels stock size tire . what count sprockets you FXR guys using ? offset ?     

[turboprop]

Neat thing about chains is the ability to change drive ratios very easy. I suggest you look at on of the countless online gearing calculators and input a 22 tooth front and whatever size rear gets you to the existing belt drive ratio. From there you can play around with the sizes of front and rear sprockets. Baker and Big Boyz both have good gearing calculators, but there are many others out there.

I think my red FXR is set up with 22/48 (2.18:1) with is pretty close to the early evo belt setup of (32/70). Every now and then I will swap in a 21 tooth front  just for fun. The way the chain is cut, I can easily swap in a front sprocket +/- 1 tooth and not have to change the length of the chain. Changing the rear sprocket is easier but does not provide as much gearing change without altering the length of the chain.

[hbkeith]

Thanks Ed , as far as sprockets goes , do not need a offset on either if using stock tire ?

[turboprop]

Thanks Ed , as far as sprockets goes , do not need a offset on either if using stock tire ?

I dont really know for sure. My FXRs are a long way from stock in every area. Have many friends that are running dished steel rear sprockets but I dont know what front sprocket they are running. My bikes all use flat aluminum sprockets from PBI and have spacers to align them with the ½" offset (I think) front sprocket.

[hbkeith]

im usually pretty good at fiquring what I need , but wow , everyone has a different offsets etc. quess I better just call PBI LOL

[Ohio HD]

Try calling Pete Stewart at Zippers, see what he knows. He fixed me up with steel sprockets on both ends, a chain and the correct rear wheel sprocket spacer.

[hbkeith]

thanks ,I saw Zippers kit , but they are not cheap , and I have a new EK chain , hate to buy what I don't need , maybe they will sell just sprockets

[pwmorris]

https://www.motorsportsuperstore.com/drag-specialties-dished-rear-wheel-sprocket-937312.html?id=77cfb5346e079d26e4b86f8998d273df&adw=PPC_Google_pla_77cfb5346e079d26e4b86f8998d273df&gclid=EAIaIQobChMIxYjRh4O-3QIVENVkCh2X2wIjEAQYDCABEgLkBvD_BwE

This is what I used from an early Shovel FXR ...I think - verify it.....been a long time.
.462 offset (I flipped it), 1.9 center hole and you also need to confirm the bolt pattern.
It cleared a 180 rear with a .250 or .500 trans sprocket (Baker, PBI etc..)
If you don't run big HP, you can also shim (or CNC a one piece when you get your measurements you like), between sprocket and wheel to nail down the chain nearly dead straight-Done.

Don't buy a "lazy" kit.
Save cash and smile every time you see the fruits of your labor.

[Ohio HD]

thanks ,I saw Zippers kit , but they are not cheap , and I have a new EK chain , hate to buy what I don't need , maybe they will sell just sprockets

Agree, when I priced the PBI sprockets, a quality o-ring chain, rear sprocket bolts, and a billet rear spacer, it was something like $380. You could shave that down a little too pricing the parts harder. I bought when Zippers had one of their many 10% off codes listed on the site, and the shipping is free, so about $395 was what I invested in the kit. So to me I'm supporting Zippers, and don't spin my wheels looking for the correct offset spacer.

It's only a little money, you can't leave here with it.     

[pwmorris]

Been ordering parts from Zippers for nearly two decades, and will continue to do so, but don't need their R&D to do what I can do for myself. Just need some time, a few tools, a straight edge, and patience. Get off your couch, get out to your garage and get to work.

Here is what I see, ballpark (depending on parts source, as I get many parts used for half this $), money wise. This isn't rocket science.....

60.00
https://www.2wheel.com/drag-specialties-dished-rear-wheel-sprocket.html

109.00
http://www.directcycleparts.com/transmission-drive-transmission-sprocketts-baker-baker-offset-sprocket-tooth-bigtwin-p-17256.html?_vsrefdom=adwords&gclid=EAIaIQobChMIjJWLubq-3QIaViQNpCh1H3w8wEAQYBiABEgJrke,XfD_BwE

115.00
https://www.partsgiant.com/p356535-diamond-530-xdl-drive-chain?m=467354&gclid=EAIaIQobChMI8aKElr2-3QIVDoJpCh3aaQ-UEAQYAyABEgKzBvD_BwE

Add a few dollars for shims and bolts, so plus or minus, I see 300 clams-give or take. Combine those parts with the knowledge you set it up, figured it out back to front, got it perfect, and didn't need the internet, or a kit that someone else figured out for you.......PRICELESS-You will Always take that satisfaction with you as long as you have the bike, and probably longer....

[hbkeith]

Thanks guys