I dont think this issue is related to AFR..... your mileage of 70+ is a clear evidence of that. so do not change AFR since your bike is just 900km old. how ever you should take snap of fuel screw for future reference as joseph has done. coming to the problem....i think it is related to bikes electrical system. I am also having this same problen and i am not able find the exact cause....but when i open the throttle very very slowly this problem is not there. when the throttle is opened bit too quickly this problem arises. can you post a pic of AFR screw....just curious to know if its at same position as joseph, and mine.

Electrical problems are rare for such cases bro. Mostly bad throttle response is due to a lean mix. You can confirm that by removing the air filter and revving the engine. If the response is quick, it is not an electrical problem, but an AFR problem. Do not ride the bike without the air filter, but revving 2 times does no harm. It is the easiest way to check. To much carbon deposit on the electrodes can also cause a bad throttle response.

Thanks for lead Joseph, its good idea to take a pic of carb/idle settings I will do it. Why we need to adjust idle RPM when we rotate fuel screw ?

I missed to mention that engine tries to shut itself off ( but it does not shut off or we can say engine does not respond to throttle) only for first 2-3 KMs for first ride in day. After that first 2-3 KMs, everything is fine. Do you still think it to be electrical issue ?

Yes my bike is just 900 KMs old thats why I stopped myself from posting my query for some days. Engines take their own time to get settled.

I will post pics soon..

I missed to mention that engine tries to shut itself off ( but it does not shut off or we can say engine does not respond to throttle) only for first 2-3 KMs for first ride in day. After that first 2-3 KMs, everything is fine. Do you still think it to be electrical issue ?

Yes my bike is just 900 KMs old thats why I stopped myself from posting my query for some days. Engines take their own time to get settled.

I will post pics soon..[/QUOTE]

Hello Moonlight, don't do anything to your bike at this stage. Honda engine parts has tight tolerances, so you will face this problem for first 2 to 2.5K kilometers. From there it will loosen up and you will feel more smoothness and FE improvement. Till that you have to warm up your engine for 2 minutes and ride normally.

Re: The Honda CB Twister

if its only a problem of throttle not responding for short period,(and not engine shutting down) then its because engine is cold. making AFR bit rich can solve the problem.....but then it may affect your overall mileage.so i think worming up the engine is the solution.......also engine anyways get wormed up once you start riding in 2 minutes. you can also try is to stay in one gear lower then normal....i.e if throttle lag is taking place in third gear then riding in second gear with bit reduced speed should take care lag, and after 2 minutes ride normally.

Re: The Honda CB Twister

Why is everyone on this thread so scared to make adjustments on their rides? You buy it, you tune it, you break it, you fix it and ride again. Thats how you learn how to bring things under your control. If you dont make adjustments thinking it might affect fuel efficiency, you will always remain a spectator and will never get to know your ride and its limits. And if that is the case, there is no point in posting problems here, you could take it to a service centre and let them tune it to their liking and not yours. Be optimistic guys, you fail and fail and then only you succeed, no gain without pain.

Re: The Honda CB Twister


Hello mrbabu, Can you explain whats meant by tight tolerances ? Whats significance of high tolerance?

Yes I used ( why used and not use ??.... Please see my comment below ) to do same to overcome this issue. Thanks !!

Joseph I can understand your sentiments you are one of most DIY guys I have came across. I am happy to report that my problem has got rectified on its own, its again back to its normal self. Starts without choke, without throttle in first kick and no more throttle missing !!!!!

I suspect this was due to bad quality of petrol that I filled from petrol pump other than my regualr one. Now when I filled multiple times from my regular pump, concentration of bad oil got less and less by each time and to the point that now issue got rectified by itself. looks like my darwin's theory....

I am happy for one other reason too, this was my first issue posted in forum regarding my bike.... and I am overhelmed by suport received from you guys on it. thanks joseph, sachin and mrbabu !!

Re: The Honda CB Twister

The trial,error,discover & rectify policy is risky.We may find some of our settings to be better than the stock,but they wouldn't be recommended as they may harm the engine either way.So,even if we try something out ourselves on our machines,let it be under an expert's supervision.Best of luck.

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Day by day,scratches are developing on my tank surface.I'm planning to apply stickers for protection.I'd like to know if I'd be able to get transparent stickers(an alternative for lamination).

Re: The Honda CB Twister

Nice job bro. Bike not looks like three years old. Why did you removed the heat shield. It'll damage the shoes of the pillion.

You are correct, With out mistake we cant learn. Maximum what will happen that part will get spoil or damage . we can buy a new & fit it back.
Be a own mechanic for your bike.

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Friends here all are discussing about the AFR. Is anybody tried a Shell Petrol.
2 days back i tried, wow it's superb.
Guys i got 86kmpl on that. It's just costs 3rs more per liter.

Re: The Honda CB Twister

[QUOTE=MoonLight;939113]Hello mrbabu, Can you explain whats meant by tight tolerances ? Whats significance of high tolerance?


Dimensional tolerance should maintained in machined components considering the parts assembly requirement. It may be mating parts or sliding components etc.
If we put simply tolerance maintained to have enough clearance in assembling the components easily and accurately. In hero or honda engines they are maintaining very less clearances to ensure good quality of engine. That is why our bikes need to run few thousand kms to get freed up.

Re: The Honda CB Twister

To prevent light scratches, periodically wax bike with good wax. Yuo can take waxpol Auto polish ( orange one) or Turtle Liquid wax. Go to detailing thread in XBHP , it has tons of info.

For stickers, you can get tank pads.

Thats amazimg mileage bro. Speeds below 40 or 50 ?? I think honda should campaign aggressively for amazing mileage of this bike.


Got it. I think you are the one who has changed rear shockers with pulsar ones. Can you tell hows is experience with them ? Is there any other adjustments to be done when changing them ?

Re: The Honda CB Twister

Yes I was the one changed pulsar shocks along with 100/90 rear tyre. It is direct fit no modification required. Now the ride and rear end aesthetic is very good like big bike.

Re: The Honda CB Twister

That time i did some harsh drive speed was 50+ inside city & when i crossed city limit i did a 100+ for some 10kms

Re: The Honda CB Twister

Which pulsar shocks did u use? Did it make any difference in the height of the back end of the bike?

Re: The Honda CB Twister

Well, a DIY person never says the word 'risky' bro. And if you think the Honda service people are giving you the best in class service, you should go into a service centre and see how they take care of your beloved bike like a test mule. They do all sorts of mileage experiments on each service but wont let you know what all they did to the settings If you do it yourself after some advice from the experienced, atleast you get to know what you were doing and what went wrong. Following the crowd is not a DIY enthusiast's policy, their rides are unique. If it is meant to break, it will, no matter if we or the service center guys do it. I havent taken it to the service centre past 2 years and I dont think I ever would unless the engine totally breaks down, but that wont happen as I know precisely when there is trouble growing as I service it myself and know every inch of it. I can understand your feelings, maybe you are not much of a 'mechanical' person, but in my opinion, getting to know your ride is a great thing bro!

There arent any transparent stickers, apart from lamination, but you could get a tank pad which looks good.

Thanks bro. I rarely take a pillion and sometimes my mom, but she sits sideways, so no worries. I just wanted to get rid of the scooty silencer looks.

Exactly bro. The best riders and handlers are the ones who know their bikes well enough. Some things might get damaged, but the knowledge that comes with it will always be very usefull when we get a bigger bike.

How on earth!!! 3rs extra is no problem as we can get it for last weeks normal petrol price after the price drop! Anyways should check it out!!


Could you post a pic bro please