Gearing for Daytona-07 GSXR 600-stock motor

[gapman789]

Going to Daytona at the end of February for the lst time with you guys.

What kinda gearing are we thinking with an 07 GSXR 600, stock motor?

Thanks

[GSXR RACER MIKE]

Amateur or Expert? Are you usually front, middle or back of the pack? How much do you weigh?

[gapman789]

I'm the fastest guy out there of course...j/k..
I'm a lowly novice that's been racing off and on since '94.
Ran the WERA National Endurance series and won LWT SB National Championship on SV's last year.

I also raced an 07 GSXR 1000. This will be the lst time that this 07 GSXR 600 has been on any track.

My 600 is the 2nd bike of a MW endurance team this year. I'm gonna use it for practices and the occassional sprints throughout the year.

I'm 6'1", 210 geared up.
Bike is fully suspended, and has the usual boltons for racing. But no motor work or PC/BAZAZZ setup either, nothing other than a slipon and hell, that may take power away....

I'm capable of a Novice podium finish just about anywhere I go.  And that's just me comparing my laptimes in the endurance races/practices vs. the actual racers' times in sprints.
I took my 1000 to all the National rounds last year for additional tracktime/practice, and then race SV's the same weekend.

[GSXR RACER MIKE]

Your weight and power are going to be an issue on the banking, but it really depends how much speed you can carry out of the chicane onto the back straight.

I generally suggest stock gearing as a starting point, but with your power to weight ratio I don't know if your going to be able to pull that all the way to redline in 6th gear (150 lb racer on a stock 600 sure, but I'm not so sure a 210 lb racer on a stock 600 could do it - maybe with drafting help?). The racers with higher power to weight ratio's on 600's can pull a -1, -2, or maybe even -3 rear sprocket, but you might want to start with a +1 on the rear sprocket and see if you run out of gear or not (due to the limited practice time available at Daytona). I bet +1 on the rear is going to be what brings the fastest lap times for you on that bike, if not I'm guessing you'll end up with stock gearing (if your able to stay close enough to the higher power to weight ratio racers on the banking to catch a draft from them).

Best of luck at Daytona! 

[Gixxerblade]

16/43 should be a good start.

[gapman789]

Stock it is then, for starters anyway..

Thanks

[ryan]

I am similar height/weight to you geared up. A while back I raced in February at Daytona. Bike was an '03 R6 making about 114hp on u4.2.  I did -1 in the rear and it was too much. Should have gone stock.

[gapman789]

Great info fellas. 

Been over 10 yrs. since I"ve been to Daytona, so I'm not gonna do anything spectacular.

Just race and have fun!!

[red900]

You are going to have a real fight on your hands, that bike is underpowered to begin with, and you a big fella.  I know, I am 6'3" 220 and I had the same bike in 07.  Daytona is a horsepower track and you will be down 15-20% on that horse...  good luck

[gapman789]

Tell me about it Red900, we're talkin' super slow!
I have a total of .3 miles of seat time on this bike as it is.  I think it'll go into 2nd gear....

I ran the WERA endurance series on SV's last year, but I have an 07 GSXR 1000 that I took to all the Nationals for practices and occassional sprints and trackdays throughout the year,  but it's going back to street, I crashed her last August and I'm still tore up about it.

Gonna race the Endurance series this year with the same dudes except we're gonna have a LWT(SV's) and MW team with the 600's, which is why I'm going to Daytona to at least get some seat time in before the season opener at RR in mid-march.

I've always raced big bikes off and on since '94ish.(750's in the late '90's were the max size for novices).
Until last year on the SV's. So this year will be my lst full season on a 600.

I'm 6'1" 210 ish geared up.  I'm actually in the process of losing a few lbs. I'll be down to the 195-200 range come race day.

Damn, I hope I don't get lapped until at least the 4th lap.

[gapman789]

Back on topic:  The consensus is stock gearing for my 07 GSXR 600, 16/43 which is a ratio of 2.69.
I have 15/42 which gives me a ratio of 2.80.

16/44 is 2.75, so would the 15/42 at 2.80 be within reason?

Did I confuse anybody besides me? lol

[gapman789]

I do understand that chain length, axle placement also has to be considered.