Gear opinions - SV650.org

06-02-05, 02:37 AM

I am looking into changing my sprockets, I don't need to go 140mph and would like to be able to wheelie pretty easy. Do I need to change front and rear? what will my RPM be at cruising speed? And how do I get my speedo recalibrated?

06-02-05, 09:39 AM

You wont need to get the speedo calibrated as the drive is taken from the front wheel.

If you change the rear sprocket by adding a tooth you will have more low down grunt. If you take a tooth down on the front this is roughly equivalent to three teeth more on the back, but you will have quicker chain and sprocket wear.

Personally I would leave the front alone and just go up teeth on the back. If you go more than one tooth more on the back there is a possibility that you may need a longer chain as well

07-02-05, 05:50 AM

I will probably be getting a new chain anyways (bike has stacked miles) How many teeth would you advise? It would be cool if you knew what my new top speed would be and how much it would effect my wheelie ability

northwind · 07-02-05, 05:22 PM

I went up just one tooth on the rear, it wheelies more easily but you do need to try for it (which I like, to be honest) and is quicker off the line, and I didn't notice any difference in higher speeds as far as i'll push it. Were you able to redline in 6th before?

07-02-05, 05:27 PM

46 teeth will change the top end to 128mph. Still enough to get you sent to see Mr Big if the old bill catch you.
Plus wheelies are alot easier.

07-02-05, 05:28 PM

Quote:

Originally Posted by chris SVK3

46 teeth will change the top end to 128mph. Still enough to get you sent to see Mr Big if the old bill catch you.
Plus wheelies are alot easier.

yes its true.. and theres me and my nine points.. plus 800quid in fines..

08-02-05, 07:41 PM

i went one down on the front and cud still do 140 and 12 oclock wheelies. i did find tht the chain worn out a bit quick but i did ride hard so couldnt really say if the tooth down was the only contributing factor

carelesschucca · 08-02-05, 08:36 PM

but your cheating using a 750 four pot!!!

get the 46 back sprocket, its a big improvement takes a while to get used to the different gearing for cruising speeds but the other differences make up for it... Only real problem is you may have to get a longer chain, I got a chain with two extra links in it when I changed

08-02-05, 10:00 PM

no tht was on the sv!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

08-02-05, 10:50 PM

One my bike 46T was to much. I ran out of rpm's to quick. so i could only lift the front a little then i would hit the rev limit. 45 is much better for me it still weelies easy and i have the time to change gear.

06-02-05, 02:37 AM	#1
bigdogcq Guest Posts: n/a	Gear opinions I am looking into changing my sprockets, I don't need to go 140mph and would like to be able to wheelie pretty easy. Do I need to change front and rear? what will my RPM be at cruising speed? And how do I get my speedo recalibrated?

07-02-05, 05:22 PM	#4
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	I went up just one tooth on the rear, it wheelies more easily but you do need to try for it (which I like, to be honest) and is quicker off the line, and I didn't notice any difference in higher speeds as far as i'll push it. Were you able to redline in 6th before? __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

08-02-05, 08:36 PM	#8
carelesschucca Member Mega Poster Join Date: Oct 2003 Location: Kilsyth - Bonnie Scotland Posts: 2,727	but your cheating using a 750 four pot!!! get the 46 back sprocket, its a big improvement takes a while to get used to the different gearing for cruising speeds but the other differences make up for it... Only real problem is you may have to get a longer chain, I got a chain with two extra links in it when I changed __________________ Innuendo - it's great when you get it. sv650s (gone) gsx-r600 (gone) Street R675 (now living in Inbhir Nis )

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06-02-05, 09:39 AM	#2
Stig Guest Posts: n/a	You wont need to get the speedo calibrated as the drive is taken from the front wheel. If you change the rear sprocket by adding a tooth you will have more low down grunt. If you take a tooth down on the front this is roughly equivalent to three teeth more on the back, but you will have quicker chain and sprocket wear. Personally I would leave the front alone and just go up teeth on the back. If you go more than one tooth more on the back there is a possibility that you may need a longer chain as well

07-02-05, 05:50 AM	#3
bigdogcq Guest Posts: n/a	I will probably be getting a new chain anyways (bike has stacked miles) How many teeth would you advise? It would be cool if you knew what my new top speed would be and how much it would effect my wheelie ability

07-02-05, 05:27 PM	#5
chris SVK3 Guest Posts: n/a	46 teeth will change the top end to 128mph. Still enough to get you sent to see Mr Big if the old bill catch you. Plus wheelies are alot easier.

08-02-05, 07:41 PM	#7
harrisman Guest Posts: n/a	i went one down on the front and cud still do 140 and 12 oclock wheelies. i did find tht the chain worn out a bit quick but i did ride hard so couldnt really say if the tooth down was the only contributing factor

08-02-05, 10:00 PM	#9
harrisman Guest Posts: n/a	no tht was on the sv!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

08-02-05, 10:50 PM	#10
Anton Guest Posts: n/a	One my bike 46T was to much. I ran out of rpm's to quick. so i could only lift the front a little then i would hit the rev limit. 45 is much better for me it still weelies easy and i have the time to change gear.