sprocket question

[Adamski]

Hi every1

Got a quick question for yah...... What sprocket shall i use?.. i have a 56t,65t and a 75t(i think) for a 40/41# chain (not sure wat chain size)....... What one would be best?

Many thanks

[Mike Bean]

I would use a #41 chain size because the #35 is more like a bicycle chain. And the sprocket really depends on the HP of you engine and are you going to to use a clutch or TAV?

Just a quick reference for you. I used a 6.5HP with a TAV2 and a 40T #41 rear sprocket and ran about 40 MPH and had good over all performance.

Mike Bean
:drinkup:

[Adamski]

im using a clutch

[c.schulz]

I would use a #41 chain size because the #35 is more like a bicycle chain. And the sprocket really depends on the HP of you engine and are you going to to use a clutch or TAV?

Just a quick reference for you. I used a 6.5HP with a TAV2 and a 40T #41 rear sprocket and ran about 40 MPH and had good over all performance.

Mike Bean
:drinkup:

Mike ,Where did you get the 40tooth sprocket?? Ive looked around and cant find one with less than 53 teeth.

Chris

[roadrash05]

i am actaully gonna use a 44 tooth Profile BMX sprocket, fits a #41 chain like a glove. www.danscomp.com (http://www.danscomp.com) is a popular bmx parts site, probably a bit more pricey, but they have sprockets all the way down to 28 tooth... however, the sprocket i am going to use will need a custom adapter plate, and it's aluminum, so i dont think it will last too extremely long, but for now, it will have to work cuz it was free!

[ISPPerformance]

Have the same type of question and don't want to start another post. I have just started my BSR and I am not going to be using a TAV. I am going to go with #41 Chain and I was curious what the best sprocket size front and rear I should use. The BSR will be powered by a 6.5 HP, 3600 RPM, 3/4" Bore 196CC engine (Harbor Freight). I appreciate any info you guys could supply.

[ckoczara]

Mike ,Where did you get the 40tooth sprocket?? Ive looked around and cant find one with less than 53 teeth.

Chris

Hey Chris;

Mike got that sprocket from the BSR shop. I am just starting to look for a sprocket now. 01/10/08

Chris

[c.schulz]

Hey Chris;

Mike got that sprocket from the BSR shop. I am just starting to look for a sprocket now. 01/10/08

Chris

Yes I bought mine from Mike last summer after this post. Also moved up to a #41 chain. Much stronger.

Chris from "O"

[ckoczara]

Yes I bought mine from Mike last summer after this post. Also moved up to a #41 chain. Much stronger.

Chris from "O"

Chris;

So was the 40 tooth the ticket? I have about the same powertrain set up you have, from what we have talked about.

Chris :wave:

[Sleepiejay]

I have a 11 tooth sprocket on the clutch and a 66 on the axle. It works quit well with a 6.5 hp motor and me on it but I am thinking about going to a 70 ish spocket on the axle to give me more bottom end power.

[c.schulz]

Chris;

So was the 40 tooth the ticket? I have about the same powertrain set up you have, from what we have talked about.

Chris :wave:

Yes, dont recall what the TAV sprocket is maybe a 10 tooth and the rear is 40 at a #41 chain. Rear tires are 11.5 dia.. I think at 5,000 rpm it will do 40mph from a gearing program. Runs good, has low end and will get up to speed quick. This is with the govenor removed. 6.5 hp clone.

Chris

[ckoczara]

Yes, dont recall what the TAV sprocket is maybe a 10 tooth and the rear is 40 at a #41 chain. Rear tires are 11.5 dia.. I think at 5,000 rpm it will do 40mph from a gearing program. Runs good, has low end and will get up to speed quick. This is with the govenor removed. 6.5 hp clone.

Chris

Good info. Thanks.

I am getting ready to pay for Mike's retirement with another order. I will have to post some new pictures. I had some parts into the chrome shop last week, and the gas tank is painted. I ended up straying from the flames. It looks good though.

Chris

[c.schulz]

Good info. Thanks.

I am getting ready to pay for Mike's retirement with another order. I will have to post some new pictures. I had some parts into the chrome shop last week, and the gas tank is painted. I ended up straying from the flames. It looks good though.

Chris

Show me the pics of the tank!!!

Chris

[ckoczara]

Show me the pics of the tank!!!

Chris

I need a few more days. I haven't had enough time to color sand and rub it out. Two little boys take up alot of time.

Chris :dizzy: