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Old 01-18-2009, 11:11 AM   #1
setfast
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A question for people with SVs

So when I got my SV650 it came with 180 Michelin Pilot Power Rear Tire and thatís what Iíve been using ever since, does anyone use 180 rear tier? how different does it feel from 160s specially when it comes to cornering?

Iíd appreciate your input,

p
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Old 01-18-2009, 11:18 AM   #2
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is it on the stock rim?
if so you'll notice a big difference going to the stock size, it should improve drastically.
squeazing a 180 on the factory rim would make the tire taller and narrower at the contact patch than it should be and would cause it to wear much faster.
I would definately go with the stock size.

check out svrider.com also

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there's probably a lot of street life left in'em
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Old 01-18-2009, 11:20 AM   #3
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IMHO, the 180 sucks and is pinched on the SV wheel. It slows steering and affects cornering ability on the track. None of the "fast" SV racers use 180 tires, and I don't even know any other guys that race it. Not to mention it usually rubs the chain and brake torque arm. Even with a GSXR wheel conversion on the bike, the 180 negatively affects handling.

Most people who put the 180 on the SV are doing it because they think it looks good.

160 is what it's meant for, 160 is what works best, and I wouldn't/ don't use anything other than the 160.
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Old 01-18-2009, 01:30 PM   #4
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i run perfectly fine on my SV racebike with a 160 rear. i really don't see a need for anything more. even a gsxr front end conversion i think is overkill and un-needed weight.
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Old 01-18-2009, 01:44 PM   #5
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Quote:
Originally Posted by houseofpain View Post
i run perfectly fine on my SV racebike with a 160 rear. i really don't see a need for anything more. even a gsxr front end conversion i think is overkill and un-needed weight.
Off topic, but have you ridden an SV with a tuned GSXR front end before?
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Old 01-18-2009, 01:52 PM   #6
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Originally Posted by tomLSTD View Post
Off topic, but have you ridden an SV with a tuned GSXR front end before?
yes i did at msrh, then got back on my SV, and ran same lap times. although the brakes took less effort with the gsxr front end.....but my stock front end (racetech tuned) still functioned perfectly fine.

i don't see many gsxr front ends on the SV expert grids either. it may be because it's not superstock legal....but there is only 1 superstock class, and 3 other competitive classes for the SV that don't restrict stuff like that.
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Old 01-18-2009, 01:55 PM   #7
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I recommend going with the 160.
It's lighter, turn in is better and traction is not compromised.
I know there are a few racers runnig an F3 rear wheel with a 180 set up, but IMO the 160 works just fine.
It worked well enough for us to win multiple CMRA SV championships.
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Old 01-18-2009, 02:09 PM   #8
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Quote:
Originally Posted by houseofpain View Post
yes i did at msrh, then got back on my SV, and ran same lap times. although the brakes took less effort with the gsxr front end.....but my stock front end (racetech tuned) still functioned perfectly fine.

i don't see many gsxr front ends on the SV expert grids either. it may be because it's not superstock legal....but there is only 1 superstock class, and 3 other competitive classes for the SV that don't restrict stuff like that.
Personally, I can't stand the SV front end. Too narrow, brakes suck, not adjustable.

There's a bunch of converted SV's in F2, especially in endurance, most of the experts who run the SV front end use it for SS. The '01-'03 GSXR 600 front end is almost the same weight as the SV front end and they're cartridge forks which get all the adjustability. There's a bunch of guys that have F3 conversions too- some cheaters even put the F3 conversions in the stock SV forks and they're almost un-detectable. That way they get adjustability at least.

Now all that said, I haven't read the AK20 cartridge inserts for the SV, and I hear they're really good. Doesn't cure the narrowness of them or the brakes, but I hear the AK20 is really nice.

I'll stick with the GSXR front end, works well for me and my teammates and has since '00.
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Old 01-18-2009, 04:19 PM   #9
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I've seen brackets that allow you to run gixxer brakes on the SV front end.
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Old 01-18-2009, 04:44 PM   #10
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Thank you all for the feedback, i really could careless about the looks, just want a better handling bike,
thanx again, next set will be 160s,

poser i'll PM you about the tiers, thank you for offer,
Patrick i'll be seeing you sometime soon for track setup,
and TomLSTD, i some how ended up with your old boots for 51 american dollars!

thanx again

p
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Old 01-18-2009, 04:57 PM   #11
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Quote:
Originally Posted by houseofpain View Post
i run perfectly fine on my SV racebike with a 160 rear. i really don't see a need for anything more. even a gsxr front end conversion i think is overkill and un-needed weight.
i think the front suspension is a little too soft, in the corners specially on the apex it feels like it pushes in, giving the feeling that the front is washing out, did you make any change to yours?
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Old 01-18-2009, 05:05 PM   #12
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if the front feels soft look into stiffer springs and heavier fork oil.
I bought my springs off Sonic Spring, the owner rides an SV and he's up in oklahoma, great guy. He's a member of SVrider.com
it combined with a ZX-6RR rear shock made a world of difference in handeling
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Old 01-18-2009, 07:03 PM   #13
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Quote:
Originally Posted by setfast View Post
i think the front suspension is a little too soft, in the corners specially on the apex it feels like it pushes in, giving the feeling that the front is washing out, did you make any change to yours?
a stock SV front end =

i have racetech tuned forks done by Motorcycles Unlimited matched with SS brake lines and EBC Extreme pro race pads.

my first time riding the SV on the track I got a 2:04 at TWS (Texas World Speedway) the way the bike sits now. i'm sure after 1 more day of riding it, I can easily drop it down under 2:00.

my second time riding the SV was at Oak Hill Raceway...my first time out there on a big bike also, and I got into the mid-low 30's.

judging by the lap times and race results on the CMRA page, with a day or two more of riding the bike.....those times are good enough to take some wins in the novice class.

If you can find a gsxr front end for cheap, by all means, do so....but doing the racetech in the forks was a cheaper option for me, with the same outcome.
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Old 01-18-2009, 09:29 PM   #14
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thanx for the pointers, i will look into the set up that you suggested,
i'll also talk to the guys over at Motorcycles Unlimited for the best option within my budget,
i'd just like to be able to trust my front end a little, right now it's unpredictable and i hate it,
thanx again
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Old 01-19-2009, 10:22 AM   #15
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Quote:
Originally Posted by setfast View Post
thanx for the pointers, i will look into the set up that you suggested,
i'll also talk to the guys over at Motorcycles Unlimited for the best option within my budget,
i'd just like to be able to trust my front end a little, right now it's unpredictable and i hate it,
thanx again
p
For about the same price as a Racetech suspension, you can get a GSXR front end and run it stock. It already has stiffer springs and is infinitely adjustable. We have a "B" bike that we ran a stock GSXR front end with, and it was waaaay better than the SV front end in stock form.

If you have any aspirations of racing though and want to run Super Stock, then you'll want to do the upgrades that Tony (House of Pain) suggested.

All that said, if you decide to go the route of staying Super Stock legal, I'd ask Patrick about putting in AK20's- all the Super Stock SV fast guys are running AK20's and rave about how good they are.

Personally, I like the GSXR front end because you can still be competitive without building up the front end, and you get fantastic brakes too.
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Old 01-19-2009, 10:30 AM   #16
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the only problem with running gsxr forks is it ****s up the geomotry of the bike. unless you do what we did and weld up and remachine the tree to keep it stock geomotry
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Old 01-19-2009, 10:33 AM   #17
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oh and i have sv1000 forks on mine, and the brakes are waaaaaaaaaaat to strong. they put me on my a couple years ago
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Old 01-19-2009, 10:34 AM   #18
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oh and an fyi ive seen built sv forks do 51s at world. i was on em when i did it
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Old 01-19-2009, 10:36 AM   #19
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Quote:
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the only problem with running gsxr forks is it ****s up the geomotry of the bike. unless you do what we did and weld up and remachine the tree to keep it stock geomotry
How does it fck it up?

Everyone who's ridden mine or our endurance bike with the GSXR front ends raved about how much better it handled than their SV.

Maybe we just got lucky on 4 different bikes doing the same thing since 2000?

Let's face it too Chris, riders like you and Brandon Spradling can do 51's using Flintstone brakes, solid mounted shocks, and no oil in the front end!
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Old 01-20-2009, 05:19 PM   #20
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Quote:
Originally Posted by tomLSTD View Post
How does it fck it up?

Everyone who's ridden mine or our endurance bike with the GSXR front ends raved about how much better it handled than their SV.

Maybe we just got lucky on 4 different bikes doing the same thing since 2000?

Let's face it too Chris, riders like you and Brandon Spradling can do 51's using Flintstone brakes, solid mounted shocks, and no oil in the front end!
if you actually take the time to look at the triples you will see that by putting the gsxr forks on there it actually increases the wheel base, unless you jack the back end up and maybe drop the front end. if you ride a built stock front end that handles awesome, and without changeing anything mount up the gixxer front end you will feel the difference
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