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Suzuki Gixxer 155
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Re: Suzuki Gixxer 155
Guys after getting the bike serviced(5th service), the pickup after 80KMPH has become sluggish. It's like when i open the throttle gradually, the engine accelerates in pulses rather than in a linear manner. Also , engine is too rough that I cannot go past 100 KMPH. Before I used to clock 115 easily. I have not kept anything near the air filter. I'm using Motul 7100 10W40 oil. What could be the reason? Have the mechanics screwed up with the AFR setting? Please help
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Re: Suzuki Gixxer 155
Trust me, disc brake won't make much difference. The brakes on this bike is sufficient. If you want to have fun, you can lock the rear drum and drift. And have I mentioned? I have accidentally experienced stoppies too. Of course other bikes might have better brakes but this set up is actually enough for day-to-day usage. It's okay to be old school and it's safe too.Originally posted by ArunKumar89 View PostThanks for the info bro. I will be anyway going with the Gixxer. If Suzuki does not come up with the rear version any time soon, I will go for the existing drum version.
Once you learn to ride better, your skills will help you stop the bike in no time. You won't think much about the brakes or the discs or the drums.Last edited by srinath2494; 03-06-2016, 06:55 PM.
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Re: Suzuki Gixxer 155
Hello Guys,Originally posted by Shamanth Gowda View PostGuys, has anyone tried Motul 5100 15W50?if so please share your experience and advice. Thanks
I want to echo Shamanth Gowda's question.... anybody?
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This can happen if the AFR is too lean. Also check if the Air filter needs cleaning.Originally posted by Shamanth Gowda View PostGuys after getting the bike serviced(5th service), the pickup after 80KMPH has become sluggish. It's like when i open the throttle gradually, the engine accelerates in pulses rather than in a linear manner. Also , engine is too rough that I cannot go past 100 KMPH. Before I used to clock 115 easily. I have not kept anything near the air filter. I'm using Motul 7100 10W40 oil. What could be the reason? Have the mechanics screwed up with the AFR setting? Please help
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Re: Suzuki Gixxer 155
Thanks ... Can a trusted local mechanic modify the AFR setting? Is it common for all carb bikes?Originally posted by tutul278 View PostHello Guys,
I want to echo Shamanth Gowda's question.... anybody?
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This can happen if the AFR is too lean. Also check if the Air filter needs cleaning.
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Re: Suzuki Gixxer 155
It's not common for all carbs. Any local mechanic who has good experience should be able to tune it. I can only see the fuel screw on Gixxer's carb.Originally posted by Shamanth Gowda View PostThanks ... Can a trusted local mechanic modify the AFR setting? Is it common for all carb bikes?
According to my experience (Turning clockwise=Leaner [Idle RPM will decrease] & Anticlockwise=Richer [Idle RPM will increase]) also check the colour of the spark plug (Note: the ceramic SHOULD NOT be as white as shown here in the pic). However if you are not sure, i will advise you to take it to SVC so that they can't blame you later that you ruined something.

Last edited by tutul278; 03-08-2016, 04:59 PM.
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Re: Suzuki Gixxer 155
Turning of AFR/ fuel/air screw will have lil effect of idle change. I think you are confusing work of fuel screw to idle screw.Originally posted by tutul278 View PostIt's not common for all carbs. Any local mechanic who has good experience should be able to tune it. I can only see the fuel screw on Gixxer's carb.
According to my experience (Turning clockwise=Leaner [Idle RPM will decrease] & Anticlockwise=Richer [Idle RPM will increase])
Fuel screw governs how much fuel is mixing with air , ideally if you change this during HOT idle, you can notice some idle change but it requires loads of experience to detect fall in idle speed by ears.
Idle screw's work is to increase or decrease idle , this is irrespective of AFR setting. This is just governed by rotation of screw , keep it at 14-1300 rpm when hot and it will drop to 1200 when cold.
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Re: Suzuki Gixxer 155
You are spot on! But i was not talking about the idle screw at all. When tuning carbs, it is recommended not to touch the idle screw (That's on the right side- kick lever side). That's where the experience comes in. You will definitely notice the slight RPM increase/decrease while rotating the fuel screw itself (It comes at a point where you will see that even 1/2 or 3/4 rotation is not making any difference to the RPM & make sure there should not be any stutter when opening the throttle - The sweet spot-Done) When the tuning is complete, you can set your idle as mentioned above while headlights are ON position.Originally posted by RohIIT View PostTurning of AFR/ fuel/air screw will have lil effect of idle change. I think you are confusing work of fuel screw to idle screw.
Fuel screw governs how much fuel is mixing with air , ideally if you change this during HOT idle, you can notice some idle change but it requires loads of experience to detect fall in idle speed by ears.
Idle screw's work is to increase or decrease idle , this is irrespective of AFR setting. This is just governed by rotation of screw , keep it at 14-1300 rpm when hot and it will drop to 1200 when cold.
Rusted guys please provide your inputs to help us understand better.
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Re: Suzuki Gixxer 155
Guys, I just came across this link. Hope it helps to some extent.Originally posted by tutul278 View PostYou are spot on! But i was not talking about the idle screw at all. When tuning carbs, it is recommended not to touch the idle screw (That's on the right side- kick lever side). That's where the experience comes in. You will definitely notice the slight RPM increase/decrease while rotating the fuel screw itself (It comes at a point where you will see that even 1/2 or 3/4 rotation is not making any difference to the RPM & make sure there should not be any stutter when opening the throttle - The sweet spot-Done) When the tuning is complete, you can set your idle as mentioned above while headlights are ON position.
Rusted guys please provide your inputs to help us understand better.
Autofarm: Tuning Your Carburetor For Optimal Performance And Fuel Efficicency
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Re: Suzuki Gixxer 155
Raised the handle bars of gixxer 155 to improve riding position. Cost me around rs 800 to make it.
Though, riding is still not very much long ride friendly (atleast better than before). My back and shoulders start paining after an hour or so of riding. Please suggest what can be done further.
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Re: Suzuki Gixxer 155
What's your height? Do you generally sit with a hunched back?Originally posted by Pique242 View PostRaised the handle bars of gixxer 155 to improve riding position. Cost me around rs 800 to make it.Got a $5 head? Get a $5 helmet.
Because everyone who passes, isn't a martyr!
Bullet Service Guide CBR 250R Parts Manual Fz16 service manual - https://drive.google.com/file/d/0B1-...VFQmJzakk/view
Hero Moto Corp Bikes' Parts RE STD 350 Wiring Diagram (CI) Service Manual - Classic 350/500
ZMR parts - https://drive.google.com/file/d/0B-U...it?usp=sharing
P200NS Spares' prices - https://docs.google.com/spreadsheet/...taGd5R2c#gid=0
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Re: Suzuki Gixxer 155
Make a habit of sitting with a straight back and bent elbows while riding and not the other way round.Originally posted by Pique242 View PostAverage indian. 5'9 I guess. Yes I hunch a little while riding. Not that I have to, but it happens almost automatically.Got a $5 head? Get a $5 helmet.
Because everyone who passes, isn't a martyr!
Bullet Service Guide CBR 250R Parts Manual Fz16 service manual - https://drive.google.com/file/d/0B1-...VFQmJzakk/view
Hero Moto Corp Bikes' Parts RE STD 350 Wiring Diagram (CI) Service Manual - Classic 350/500
ZMR parts - https://drive.google.com/file/d/0B-U...it?usp=sharing
P200NS Spares' prices - https://docs.google.com/spreadsheet/...taGd5R2c#gid=0
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