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**Synn** · 10-06-2008, 04:56 PM

Query approved

**Deepakumar** · 10-07-2008, 01:26 AM

Mods

For sparkplug u better go for NGK iridium DPR8EIX-9, i don't know much abt clutch plates check out this link :http://www.xbhp.com/talkies/help-me/...ates-need.html, u better try K&N airfilter and splitfire spark plug cable. thts all i know.

**c_sbk** · 10-07-2008, 10:18 AM

Originally posted by diffuser911 View Post

1. Change stock spark plug to one with 2 or 3 electrodes: Will that be a good choice? Also, should I consider NGK Iridium?
2. Change clutch plate: I have tried, and failed, to perform a single wheelie on the bike. Could this be due to the clutch plates wearing out? The acceleration is still really good, though.
3. Change the sprockets: My mech told me that the front one is pretty worn out. I will check the rear one too, and see if they can be replaced. But, I'll stick to the stock setup for that one.

So guys, help me cross the 100 kmph mark!!

3.change complete sprocket unit is better option then replacing only sprocket's.new stocke sprocket will help u in pulling whelie,reduce some rear tyre pressure from 35psi to 20-22 psi.

and for vibration change rear swing arm bushes,rear shocker's rubber mounting if needed.

**diffuser911** · 10-08-2008, 02:44 PM

Thanks for the advice, but I would rather stick to the stock setup, else I may have to compromise on the top speed or pickup of the bike.

A really funny thing happened in the last few days. When I filled up air yesterday, I noticed that the pressure earlier was way more that the recommended. Front had 39(instead of 25) and rear had 52(instead of 33)!!! I guess the last mechanic who filled it up was drunk at the time. But after getting the pressure to normal, I felt later that day that the handle was wobbly and the rear was, too. I filled again at another air pump and then, as I headed to a crowded highway, I could feel the heat rising in the engine, to the extent that it felt very uncomfortable in my pants. And the handle was wobbly still. I went back home and checked the tyres for loseness, plus the engine oil level and air filter for any reason for the overheating. Today feels a little normal, but I haven't driven much since the morning.

**c_sbk** · 10-08-2008, 03:23 PM

Originally posted by diffuser911 View Post

but I would rather stick to the stock setup, else I may have to compromise on the top speed or pickup of the bike.

.

i didn't advice u to go for sprocketing to get lower end torque to pull wheelie's.just replace ur chain set with the new stock one.

**diffuser911** · 10-08-2008, 03:38 PM

Oops...I misread!! I will get the chain and sprockets a full examination on a weekend to see the damage done in the last 35k kms.

**Richard** · 10-10-2008, 03:01 PM

cbz's are more of a pickup machine rather than a top end boaster...my friends stock cbz does a max of 95 too...its the first model...

**diffuser911** · 10-10-2008, 03:36 PM

Totally agree Richard, but I have also heard of CBZs doing 120 kmph!!! Don't know the true speed, but the speedo says so. I guess the engine mods must be the reason, but still it feels that the machine is raring to go at 98 kmph too.

**TheRedPill** · 10-10-2008, 04:03 PM

Originally posted by Richard View Post

cbz's are more of a pickup machine rather than a top end boaster...my friends stock cbz does a max of 95 too...its the first model...

Originally posted by diffuser911 View Post

Totally agree Richard, but I have also heard of CBZs doing 120 kmph!!! Don't know the true speed, but the speedo says so. I guess the engine mods must be the reason, but still it feels that the machine is raring to go at 98 kmph too.

Yup I was talking to my mechanic about the CBZ, CBZ's stock CDI for India is a restricted one. Change the CDI and install the one from the original honda's cbf (the model from which the indian cbz comes), It can do a 120kmph

**diffuser911** · 10-11-2008, 12:40 AM

Wow!! Can you tell me where can I get it from and what is the expected cost for the unit?

**TheRedPill** · 10-11-2008, 02:40 PM

Originally posted by diffuser911 View Post

Wow!! Can you tell me where can I get it from and what is the expected cost for the unit?

I'll try to get some info from my mech and post it

**Richard** · 10-16-2008, 03:14 PM

i rode a cbz star today...it touched 105 with ease.....the star has a better top end than the original classic....

are you hitting atleast 7k in every gear before upshifting??...

**pranay** · 10-16-2008, 03:40 PM

Originally posted by diffuser911 View Post

1. Change stock spark plug to one with 2 or 3 electrodes: Will that be a good choice? Also, should I consider NGK Iridium?
2. Change clutch plate: I have tried, and failed, to perform a single wheelie on the bike. Could this be due to the clutch plates wearing out? The acceleration is still really good, though.
3. Change the sprockets: My mech told me that the front one is pretty worn out. I will check the rear one too, and see if they can be replaced. But, I'll stick to the stock setup for that one.

So guys, help me cross the 100 kmph mark!!

Changing spark will not improve performance, it will help in non-erratic combustion of the fuel. But your spark plugs might need replacement. I have done a max of 110-115 speedo on the CBZ classic. So yours should do that much easily.

I suggest you give your bike a complete overhaul. New sprockets and chain. New clutch plates. New spark plugs.

I also suggest making sure the handle bars a little on the tighter side and make sure you have the correct tre pressure. A friend's 200 didn't cross 110 kmph once on a very straight road. Everything was fine, even the bike was pretty new (3500kms ). We find out the fault. It was the handlebar + front tire psi. After spending some time tightening the handle bar and also increasing the tire pressure, we managed 122!

Also, if you crouch while attempting top speed, you will attain a higher top speed. Mind you, this should be attempted only in safe conditions, like a empty stretch of wide road.

**diffuser911** · 10-16-2008, 04:38 PM

Wow! Thanks a lot pranay, the tips sound very good. I'll go with the chain-set replacement and tightening of bars. Even crouching can't take my bike above 100, so the problem is with the bike somewhere. About clutch plate, I don't seems to find anything wrong, except for wheelies, which I might be doing wrong. I tried to get my mechanic check and he said it's all OK without opening up. The bike accelerates superb upto 80 in 4th gear, then crawls on towards a 95-98.

PS: Do you have an idea how much the chain-set would cost? My mech told me 450 for the front sprocket, which did seem worn out.

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