Project '96 CBR600 F3

Bassic · 12-26-2004, 3:09 PM

Before: http://www.bassic-design.com/Gallery...GroupRight.jpg

Currently: http://www.bassic-design.com/temp/naked.jpg

This will be the first bike I've heavily modified and I just stumbled across this siite and figured I'd ask for some opinions about some of the stuff I was looking at.

Already done:
Slip on Yoshimura and K&N Air filter.

Looking to do:
Chain: DID 530ERV
Sprockets: Still unsure about these... Stock is 15F and 43R... I'm increasing the rear by two teeth and I've heard to stick with steel sprockets. Suggestions?
Rear Shock: Ohlins Rear Shock 46HRCL but I've also heard you can have them rebuilt.. that new shock is 800 so I'm looking for cheaper alternatives.
Plugs and Wires: Nology Hotwires and NGK plugs... kind of second guessing the wires though... 150 bucks and I hear they don't make that much difference.
Jet kit: Factory Config 30
Preformance Ignition: Completely clueless if this would be any good
Misc parts: Spiegler Stainless Steel Brake Lines, some odds and ends cosmetic stuff.. i.e. footpegs, mirrors, all that good stuff.

BDA116 · 12-26-2004, 3:15 PM

The Nology Hotwires and ProFire coils DO make a large difference on the F3.
Why a 530 chain?
What are you looking to do with the bike?

Bassic · 12-26-2004, 3:19 PM

Trying to get it ready for some track days in the spring... and I don't know why the 530 just assumed bigger was better.

CBR929RE · 12-26-2004, 3:41 PM

Quote:

Originally Posted by Bassic

Trying to get it ready for some track days in the spring... and I don't know why the 530 just assumed bigger was better.

bigger is heavier and can generally handle higher hp. but since its an older 600 and I bet you'll be pushing around 100hp the 520 set will do just fine. They make some new 520s that are very strong so thats not a problem really. the weight savings will be a small benefit.

BDA116 · 12-26-2004, 4:33 PM

If it is for fun track days, don't worry about heavier mods (you already have a slip-on and a K&N, so it's not like you're really looking for max horsepower).
The whole 520 can't handle power crap is just that - crap. Get a good 520 chain like the DiD ERVII, and it will handle more power than a 1000 superbike will throw at it. Go ahead and get an aluminum rear sprocket. Well made items like the Afam will last a while. Get a 14T countershaft sprocket, and a 46T rear. If you will be running multiple tracks and will want to find the best gearing, get a 45T and 47T. However, if you're not gonna be racing don't waste your money. Just get the 46T.
Beyond that, get the forks worked and a new shock. Reworking the shock is more money than it's worth. Find a used Fox and you'll have a better shock for less than it would cost to rebuild your stocker.
Get the braided brake lines, and if it's a track only bike the Pro Honda and Galfer BR03 pads work the best, but if it will see street duty, don't use the BR03s.
Forget about any power mods until you have the suspension done. If it is just for track days, work on your riding and you'll find yourself turning quick enough times.

CBR929RE · 12-26-2004, 4:41 PM

I don't think I agree with BDA on saying the hp stuff on the chains is crap, why do all chain manufacturers list it then. I don't think its a problem that higher hp bikes will break smaller chains more of a longevity issue. but if you rail on that 600 really hard compared to somene who doesn't push a literbike very hard then you can go through the chain as fast if not faster.

Bassic · 12-26-2004, 6:16 PM

Ok so you both agree on the 520, how do Renthal Afam and vortex compare to each other... also what are the advantages of dropping the countershaft as well as raising the rear (other than obviously more torque)...

Any word on that ignition system?

BDA116 · 12-26-2004, 6:23 PM

I wouldn't waste my money on that ignition module. You aren't racing, and I doubt it would do much of anything for that bike.
You won't gain any torque with gearing changes, what you do is change how the power is delivered. For track riding, the smaller front will give better drive, and makes it easier to find optimal rear gearing.
You want honest opinion on rear sprockets? Well, it will make some people cry, but Vortex is cheap for a reason. Get an AFAM or Renthal. I ate up two Vortex sprockets one race season on my worked F3, and will never use them again.

Bassic · 12-26-2004, 6:57 PM

I was under the impression that any time you raise your gear ratio you increase your torque and lower your top speed...

I'll probably start ordering all of the parts in a few days... which parts should I have professionally installed =x I'm pretty sure I could figure out the sprockets and chain alright, but as far as the jet kit I'm not too sure, anyone ever have to install one of these themselves?

You said you raced your F3 how did it do... and what kind of results did you get out of it? Like Horsepower 1/4 times or anything of the sort.

BDA116 · 12-26-2004, 11:17 PM

Changing your gear ratios does not affect how much power the engine makes. Rather it affects how that power is transferred to the ground.
You will have a greater drive off corners, and lower your top speed, but the actual amount of power the engine makes will not be affected.
The jetting you could do yourself, if you are comfortable with carbs. The factory kit does come with instructions, as well as general settings by altitude. Judge for yourself whether you want to mess with it.
As for my F3, I did plenty well with it in both middleweight and heavyweight classes.
However, this was back when the bike was mostly current. Today it would take a LOT of over-riding the thing to keep it near any race pace, let alone try to find the front, but for just track days and fun it is still a good bike.

Bassic · 12-26-2004, 11:39 PM

Yeah, I agree heavy mods would be needed to compete.. this is more of a fun bike - track and street. I rather be doing this stuff to the '01 R6 you can catch a glimps of in that first picture, but.. uhh that one is totaled. Yes I know that no more power is produced I'm just saying that more torque is delivered to the rear wheel with the different ratio. I suppose I should have said 'multiplied torque.'

davef · 12-28-2004, 7:09 PM

For reference my 96 F3 made 84 hp at the rear wheel with a slip on. I've since changed to 2 teeth larger in the rear (no hp gain, obviously) and frankly, on the highway that poor little bike is screaming. Probably doesn't matter if you're not going to do lots of highway miles.

I wouldn't bother with any other "power" mods because it's never going to compete with a modern 600 unless you spend more money than the bike is worth. If I were you I'd just take it to the track as it is and learn to ride. Then do suspension and brakes when/if you feel they are holding you back. Ride the wheels off that biatch.

I don't bother modding mine since it will never compete with the 954 that I love...