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**New guy** · 06-29-2013, 01:00 PM

Re: Karizma/Karizma R

Going through the Thread I've found answers to a lot of questions about the ZMA-R.
I was not happy with the AFR setting mech had done as the engine used to heat up pretty quickly.
I decided to do it as per PSR's advice of 3.5 turns from full lock (even though his findings were 2.5 turns for 2011 onwards models, I preferred a cooler and more responsive setting as suggested.)

Result: Engine runs cooler and is much smoother revving and responsive than mechanic's setting ( which was more than 4 turns).
Idle is also steady and with a consistent beat.
FE has also improved by about 3 km/L.
Thanks PSR and everyone who contributed regarding the different AFR settings for different year models

However I now find that the bike doesn't start without choke when cold whereas it used to start without choke too in mechanic's setting. Is it because his was a lot richer thus negating the need for choke?

**AK3D** · 06-29-2013, 01:37 PM

Re: Karizma/Karizma R

Originally posted by New guy View Post

However I now find that the bike doesn't start without choke when cold whereas it used to start without choke too in mechanic's setting. Is it because his was a lot richer thus negating the need for choke?

You usually need to give choke at 2.5 - 3.5 turns, for a few seconds while starting. It'll soon become routine.

**pixantz** · 06-29-2013, 03:02 PM

Re: Karizma/Karizma R

Originally posted by ashwinprakas View Post

Its clearly evident that Hero has their game face on. The above is a pic of the new outlet started at Kundara, Kollam. Specifically for selling spares. That makes 2 Hero spare out lets in a 25km radius.

You guys are lucky out there. Never came across something like that here in Mumbai. I'm running around for a right-side Candy Red 225 fairing piece since more than a month now. The best of the dealers dont have them. And they have a premium price of 1650/- a piece. Whereas the latest running colours are about 1150/- a piece. Stealing in its purest form. F^^ck Hero Moto and their high handedness :/

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**pixantz** · 06-29-2013, 03:27 PM

Re: Karizma/Karizma R

Originally posted by sinnerz2000 View Post

I'd like to know the solution for this too coz I'm facing the same issue on my uni, I'm replacing the spark plug tomorrow to see if that's the culprit.

Problem solved!! First I cleaned up an old carb I had with me and also specially removed AFR screw and cleaned it with petrol and cleaned whole carb and fitted it on the bike. See, I had this carb removed for similar problems as I have now and since present carb still has it, I concluded that my old carb was not bad after all. Instead it gave better overall performance. Anyway, this change solved the erratic idling and slight knocking problem completely. Now I was left with the infrequent hiccuping while pulling off from standstill and also stalling sometimes.
Next, I changed the HT Coil and plug cap(waterproof plug cap from the CBZ Extreme) with new ones, and Voila!! Bike changed into almost Unicorn like smoothness and all problems magically erased!!! Run for more than 150kms now and its superb. Not a single hitch now. You guys can try changing just the plug cap for starters and check, as the stock hard plastic type ones tend to get shorted. I changed the HT Coil too since the wire was all cracked up.

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**sinnerz2000** · 06-29-2013, 03:38 PM

Re: Karizma/Karizma R

Originally posted by pixantz View Post

Problem solved!! First I cleaned up an old carb I had with me and also specially removed AFR screw and cleaned it with petrol and cleaned whole carb and fitted it on the bike. See, I had this carb removed for similar problems as I have now and since present carb still has it, I concluded that my old carb was not bad after all. Instead it gave better overall performance. Anyway, this change solved the erratic idling and slight knocking problem completely. Now I was left with the infrequent hiccuping while pulling off from standstill and also stalling sometimes.
Next, I changed the HT Coil and plug cap(waterproof plug cap from the CBZ Extreme) with new ones, and Voila!! Bike changed into almost Unicorn like smoothness and all problems magically erased!!! Run for more than 150kms now and its superb. Not a single hitch now. You guys can try changing just the plug cap for starters and check, as the stock hard plastic type ones tend to get shorted. I changed the HT Coil too since the wire was all cracked up.

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U mean the spark plug cap? What's a ht coil?

**pixantz** · 06-29-2013, 03:46 PM

Re: Karizma/Karizma R

Originally posted by sinnerz2000 View Post

U mean the spark plug cap? What's a ht coil?

Yeah, Spark Plug cap. HT coil is the thingie from which the wire runs into the Spark Plug. Its a small cylindrical part which supplies the spark plug its current. Its white in Zma and Black in unicorn I guess

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**pixantz** · 06-29-2013, 03:49 PM

Re: Karizma/Karizma R

HT coil is also called Ignition coil, if Im not mistaken. Its hidden under the tank

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**sinnerz2000** · 06-29-2013, 05:01 PM

Re: Karizma/Karizma R

Originally posted by pixantz View Post

HT coil is also called Ignition coil, if Im not mistaken. Its hidden under the tank

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How much did it cost u?

**AK3D** · 06-29-2013, 05:38 PM

Re: Karizma/Karizma R

Originally posted by SriramEfunds View Post

@Rajarshi, have you done rain ride with rear stock tyre? As you said, I could agree on few points however the stock tyre centre portion of is bald, so there's ain't water channeling and most likely to fishtail while breaking eventually. No theory but pure practical experience. Personally won't recommend stock for overall usage.
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For a while I faced bike wobbling problems, eventually narrowed it down to the stock tyres. They just feel too 'slippery' even at slow speeds, not to mention highway (80+) speeds.

Originally posted by pixantz View Post

+1 to that. On my Zma-R even I braked at 90+ kmph in muddy water on a flyover, the tyre left grip just a bit( had the Zappers at that time) but zma never actually fishtails. Even if it skids on hard braking, it does so in a straight line.

That's why the ZMA, it tends NOT to skid, unless one goes wild with it.

Originally posted by Rajarshi View Post

ZMA stock tyres are pretty good... fishtail or skid doesnot depend only on tyre quality.. weight of bike and tyre air pressure are some important factors.... use tyre pressure in front 25 and rear 33 psi as mentioned on top of the tank of ZMA.... though you will find in the pumps that majority will use 26F and 36R... a little less air pressure will keep the rubber stick to the ground because the friction area will be more on 25f/33R than 26f/36R...

It is very dependant on tyres!
Of course weight etc are factors, but if the tyres themselves are terrible, the other factors will be magnified.
The tyre pressures are supposed to be 25/29 solo and 25/33 with pillion. Always decrease by 1 PSI if you're going on the highway since the pressure will increase due to the air heating up when going at speed continously.

Originally posted by psr View Post

The stock tires skid under heavy braking even on dry surface.....on wet surface, well you learn to ice skate on ZMA.

They don't feel too comfortable for me even at slower speeds in the dry. Haven't had the opportunity to ice skate yet

. I don't plan on finding out either!

Originally posted by ravi@17bhp View Post

The stock tyres on ZMA are good as long as you just ride the bike sane, even in city or cruising on highway. When you try to explore the handling abilities of the bike and push it, then stock tyres are not good enough.

The Michelin M45 rear tyre is the best for the Karizma. It has lots of grip; unfortunately, its discontinued now.

I've found out that they aren't offering much grip even at sane speeds.

Does anyone have any recommendations for the ZMA tyres? Is shifting to a 110 profile instead of 100 a good idea? I've been following the tyre thread, but something more specific to the ZMA would be perhaps more useful.

**pixantz** · 06-29-2013, 05:48 PM

Re: Karizma/Karizma R

Originally posted by sinnerz2000 View Post

How much did it cost u?

Ignition Coil- 305/-
Spark Plug Cap- 65/-
Please get genuine ones as these are critical components and as far as I've experienced you will never get the original feel of the bike if you go for cheap spares as far as Hero Honda and Honda are concerned. Dunno about other brands.

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**sinnerz2000** · 06-29-2013, 05:51 PM

Re: Karizma/Karizma R

Originally posted by pixantz View Post

Ignition Coil- 305/-
Spark Plug Cap- 65/-
Please get genuine ones as these are critical components and as far as I've experienced you will never get the original feel of the bike if you go for cheap spares as far as Hero Honda and Honda are concerned. Dunno about other brands.

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I'll try changing the ignition coil since I already have a similar spark plug cap as hero's. Thanks

**pixantz** · 06-29-2013, 08:08 PM

Re: Karizma/Karizma R

Originally posted by sinnerz2000 View Post

I'll try changing the ignition coil since I already have a similar spark plug cap as hero's. Thanks

Given the fact that yours is a 2005 Unicorn its probably the carb. When a Unicorn carb starts acting up, things get really dirty. Two of my friends with 2005 Unicorns have changed theirs and live happy lives now. My 2006 Unicorn carb went kaput in 18 months only. At that time I changed it for 2400/- today it might cost almost double that. I would suggest putting a carb from a properly working friends Unicorn and testing if possible before spending. Just to be sure.

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**rcazador** · 06-29-2013, 08:15 PM

Re: Karizma/Karizma R

Minor disaster, after serious cold start issues I was fiddling with the idling and the screw that controls it just fell off. Since then two hours of trying to fit it back on have been fruitless. The Screw itself is undamaged but it just doesn't seem to fit back in

**pixantz** · 06-29-2013, 08:48 PM

Re: Karizma/Karizma R

Originally posted by rcazador View Post

Minor disaster, after serious cold start issues I was fiddling with the idling and the screw that controls it just fell off. Since then two hours of trying to fit it back on have been fruitless. The Screw itself is undamaged but it just doesn't seem to fit back in

You must have bent the tip. Even if the tip is bent by a hairs width, you'll have problems with the bike. You seem to have bent it more than a bit. The AFR screw is spring loaded, so it must have jumped out when you loosened it... At least now you should get professional help

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**AK3D** · 06-29-2013, 09:18 PM

Re: Karizma/Karizma R

Originally posted by pixantz View Post

You must have bent the tip. Even if the tip is bent by a hairs width, you'll have problems with the bike. You seem to have bent it more than a bit. The AFR screw is spring loaded, so it must have jumped out when you loosened it... At least now you should get professional help

Not the AFR, the idle screw. It is also spring loaded. With a bit of patience, you'll be able to fit it on.

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