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Thread: Improving the Performance of you Suzuki GS-150

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    Default Improving the Performance of you Suzuki GS-150

    AoA Everybody.

    I would request all Suzuki GS-150 owners to discuss typical performance issues with their bikes and how they resolved them. this way, we'll have a collection of information here for the benefit of newbies such as myself and hopefully, other bike owners will also profit from it.

    Improving the Performance of you Suzuki GS-150 - Pic3 zps51edbf85

    Following problems/issues has been identified so far:

    1. Less than ideal performance of the ignition system
    2. High tendency of the bike to break speedometer and rpm cables.
    3. Loud (Tuck!) noise from rear wheel and less than ideal gear shifting.
    4. Faulty/Finicky fuse.

    Poor performance of the ignition system:

    Improving the Performance of you Suzuki GS-150 - Pic5 zps6f7688f3

    The factory /EM coil provided with GS-150 is not up to mark. I replaced it with Honda Deluxe's ignition coil (DENSO) and the quality of the spark improved. then I installed a platinum spark plug (NKG CR8EGP) and instantly experienced better throttle response and stable idling. on top of all that the bike's cold starting ability also improved significantly.

    Then I read an article where the author was recommending spark plug indexing in a bid to aim the open end of the spark plug's tip somewhere in between the intake and exhaust valve of the engine for better performance. BOY! it was some exercise but the results made it all the worth while. the throttle feels much lighter than before, the bikes accelerates better than before and the idling is as stable as the heart beat of a monk.

    now someone might ask why not Iradium? well....contrary to popular belief, Iradiums do not offer any performance benefits over Platinums. they just offer increased/longer life. so why spend three times as much when you can get the same benefits from Platinum plugs?

    high tendency of the bike to break speedometer and rpm cables:

    Improving the Performance of you Suzuki GS-150 - Pic4 zps2ae8ee70

    I was getting kinda tired of casual breaking of the speedometer and RPM cables. I know one is supposed to lubricate them with WD40 but somehow I was never convinced that a simple CLP (cleaner, lubricant, protectant) would be good enough for the job. the problem with oil is that it eventually migrates from the place where it is applied. Then I stumbled upon this:

    NASA Liquid Grease

    Its a solvent based lithium grease packed in a pressurized container. which means that it can penetrate to the desire spot then solvent evaporates leaving behind a uniform film of lithium grease. pretty neat concept. I bought one and sprayed down the RPM and speedometer cables. I was instantly sold. Now I use it on clutch and throttle cables as well. Guess what? the Speedometer and RPM cables haven't broken since then and clutch and throttle stay lubricated longer.

    Loud (Tuck!) noise from rear wheel and less than ideal gear shifting:

    Improving the Performance of you Suzuki GS-150 - Pic1 zps2f2cb105

    Loud noise as it turned out was from rear drum as the drum rubber was not a tight fit. just for the sake of killing a few million brain cells solving this problem I approached a guy who makes custom drum rubbers and voila! no more sound and the gear shifting is now as smooth as silk. I don't know how it made the gear shifting smooth but it did. now shifting the gear up and down do not produce any jerk or noise.

    Faulty/Finicky Fuse:

    Improving the Performance of you Suzuki GS-150 - Pic8 zpsc9fdb1c3

    The OEM ignition fuse provided with the bike is nothing more than an outdated piece of cheap contraption. I learned that the hard way. I was on my way (to nowhere) and the bike suddenly totally went dead on me. nothing would work. luckily, Suzuki Center was near and I took the bike there and it started without a hiccup. I moved on then one fine day it happened again. I took the bike to the same guys and the bike started again without any problem. then the mechanic told me that I should get the fuse replaced with a car fuse of equal ampere. I took the the bike to a car electrician who installed a proper car fuse and charged me just Rs. 100 (including the price of the fuse box and wiring) no trouble since then.

    Improving the Performance of you Suzuki GS-150 - Pic9 zpsf4ade752

    Anyhow, thats how I went about solving some of the issues with my bike. if you guys have identified any other issue and successfully resolved it, kindly do share with all of us.

    Regards.


  2. #81
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    can we install GS150's rear shocks in raider?
    Man's heart away from nature becomes hard.

  3. #82
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    @12guage,nicely explained!
    In this way one can have two type riding options!
    I Am the Feel
    I Am The Yamaha!

  4. #83
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    Quote Originally Posted by gemini85 View Post
    can we install GS150's rear shocks in raider?
    It might have two negative effects,

    1. Bike will rise too much from rare, its seat is already inclined.
    2. If you keep the jumps soft then you will suffer great loss in road grip.

    I have already tried this. It was not of GS but some Japanese version but the height was almost same.

    Raider/Sprinter is a great bike in every aspect except this rare jumps. If you keep soft setting then it create problem in pillon riding reach to limit very easily because of very less working space, if you keep hard then it add discomfort in single riding, so either you change the settings with single or pillion or ride very slow on speed breakers.

    I am thinking to do the following but right now short of money,

    1. Get a used swing arm of Sprinter.
    2. Get removed this connecting arm.

    Improving the Performance of you Suzuki GS150 -1387504

    And weld this smaller in size connecting arm at position as follows. Its a ud100 swing arm. I am not sure if ud-100's arm will fit in at the center axil.

    Improving the Performance of you Suzuki GS150 -1387503


    This way you will have two advantages,

    1. Rare jumps will get more inclined and not straight as it is in rider or sprinter which will reduce the jerk effects.
    2. A longer jump with more working space can be fit in, like GS or GD-110. It will also not raise the bike.

    The only things concerns me is the road grip.

    Let me know what you think about this, my friend.

  5. #84
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    @12guage
    Am I right, the front shock absorbers are longer than the stock ones? The rear tyre is almost touching ground. Is that because of front disk brakes setup?

  6. #85
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    Quote Originally Posted by onefifty View Post
    @12guage
    Am I right, the front shock absorbers are longer than the stock ones? The rear tyre is almost touching ground. Is that because of front disk brakes setup?
    They definitely seem longer, don't they!? Are they stock or have they been 12guaged!?
    I write about creative self employment and living a life of adventure.
    Twitter & Instagram: @momekh

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    Quote Originally Posted by momekh View Post
    they been 12guaged!?
    Yes they have been upgraded by @12gauge

    find details here :
    https://www.pakwheels.com/forums/bik...s150-tour-king
    https://www.pakwheels.com/forums/motorcycle-travel-diaries/277725-sober-riders-visit-khunjerab-adventurous-way-via-nori-pass

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    Can we increase the height of GS?
    4 wheels move the body 2 wheels move the soul

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    Quote Originally Posted by Shafin619 View Post
    Can we increase the height of GS?
    Clear your inbox plz. I want to send a pm

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    Quote Originally Posted by dr.omair View Post
    Clear your inbox plz. I want to send a pm
    Bro my inbox is already cleared.
    4 wheels move the body 2 wheels move the soul

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    Still it says inbox full. Send me your email address at dr.omairmazhar@gmail.com

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    Quote Originally Posted by dr.omair View Post
    Still it says inbox full. Send me your email address at dr.omairmazhar@gmail.com
    Sent you pm
    4 wheels move the body 2 wheels move the soul

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    @12guage bro, can you help me with extra Tank and Tappas for GS150 in Rawalpindi?

    sent from Mars via International Space Station.
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    Dr. Sb ... that might be ur Out box is all stuffed up.... clear yours first

    Quote Originally Posted by dr.omair View Post
    Still it says inbox full. Send me your email address at dr.omairmazhar@gmail.com
    https://www.pakwheels.com/forums/motorcycle-travel-diaries/277725-sober-riders-visit-khunjerab-adventurous-way-via-nori-pass

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    Quote Originally Posted by dr.omair View Post
    my bike's fuel average varies from as low as 37 km/l when i go hard on throttle or drive in serious jams, to 41-43 km/l under normal conditions

    to get best average, try following this routine
    1st gear = 2500 rpms
    2nd gear = 3500 rpms
    3rd gear = 4500 rpms
    4th gear = 5500 rpms
    5 gear = upto 5500 rpms (will take u to speed btween 65-70). Dont go faster than that

    practice above routine for a few days, and get used to the engine/muffler sounds to decide when to shift, instead of always looking at your rpm meter. i have adapted this technique from my early days. also, avoid quick acceleration and hard braking. not only will u enjoy a smooth, relaxed and comfortable ride, u will achieve a good mileage from your big machine
    @dr.omair bro my bike is giving me only 30 to 32km/L.. i have checked it few time. total running is near to 2400. i am too gentle on accelerating the bike. my top speed is just 50 to 60. can someone guide. what's wrong with my bike. @12gauge @archon2001 can you guide me.

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    Quote Originally Posted by rai007 View Post
    @dr.omair bro my bike is giving me only 30 to 32km/L.. i have checked it few time. total running is near to 2400. i am too gentle on accelerating the bike. my top speed is just 50 to 60. can someone guide. what's wrong with my bike. @12gauge @archon2001 can you guide me.
    Maybe fuel mixture screw needs to be adjusted. I had same issue. Was getting 22 so took it to mechanic. He adjusted it. Then it gave me 40 kmpl.
    Use mixture of hi octane to normal petrol.

    Sent from my Galaxy Nexus using Xparent Blue Tapatalk 2

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    @ahsan95 mechanic adjusted the screw several times but sill i am having same issue. between 1000km to 2000km i was using hi-octane and normal petrol i was getting same average. there is something wrong in bike. do you know what is suzuki claim about the petrol average of this bike ?

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    Quote Originally Posted by rai007 View Post
    @ahsan95 mechanic adjusted the screw several times but sill i am having same issue. between 1000km to 2000km i was using hi-octane and normal petrol i was getting same average. there is something wrong in bike. do you know what is suzuki claim about the petrol average of this bike ?
    Bro no idea about suzuki what they claim for average.
    Maybe you need to get it properly tuned, clean air filter which may be dirty thus restricting air flow hence consuming more fuel.

    Other experience member will better advise about the problem.

    Sent from my Galaxy Nexus using Xparent Blue Tapatalk 2

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    Quote Originally Posted by ahsan95 View Post
    Bro no idea about suzuki what they claim for average.
    Maybe you need to get it properly tuned, clean air filter which may be dirty thus restricting air flow hence consuming more fuel.

    Other experience member will better advise about the problem.

    Sent from my Galaxy Nexus using Xparent Blue Tapatalk 2
    @ahsan95 thanks bro. my bike was tuned on 2100km and after that i have done only 300km. i will clean the air filter tomorrow on my own and thinking to change the petrol filter as well. last option is to claim the carburettor

    more advise needed from senior members.

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    carb is the last thing to be open in any cdi system bike if 1 have petrol filter installed.
    honestly cdi system bike don't need tuning which requires carb opening too.
    cleaning of air filter,checking the plug and checking the timing with timing light is the only thing required
    it was in old days where mechanic opens the carb to clean inside of it now if a mechanic opens a carb specially the suzuki bike carb he messes it up.
    suzuki carbs are design to give good average.
    rai007 go to nearest suzuki workshop prefer 3s, and ask for checking yr ride for fuel average problem.
    try 3s dealer opposite of Aladdin park they have 1 good mechanic don't remember his name but he is short fellow with mustache.

    quality of fuel does matter alot, last fill in my axio from caltex i got 400km in full tank whereas with pso my car easily do 495 to 515km on full tank.
    using hioctane mixed with regular fuel some time in moderate amount is ok.
    compare yr speedo meter with rpm meter, low rpm with higher speed good fuel average, high rpm with low speed bad fuel average.

    kind regards
    Help others so that u can be Helped

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    Quote Originally Posted by archon2001 View Post
    carb is the last thing to be open in any cdi system bike if 1 have petrol filter installed.
    honestly cdi system bike don't need tuning which requires carb opening too.
    cleaning of air filter,checking the plug and checking the timing with timing light is the only thing required
    it was in old days where mechanic opens the carb to clean inside of it now if a mechanic opens a carb specially the suzuki bike carb he messes it up.
    suzuki carbs are design to give good average.
    rai007 go to nearest suzuki workshop prefer 3s, and ask for checking yr ride for fuel average problem.
    try 3s dealer opposite of Aladdin park they have 1 good mechanic don't remember his name but he is short fellow with mustache.

    quality of fuel does matter alot, last fill in my axio from caltex i got 400km in full tank whereas with pso my car easily do 495 to 515km on full tank.
    using hioctane mixed with regular fuel some time in moderate amount is ok.
    compare yr speedo meter with rpm meter, low rpm with higher speed good fuel average, high rpm with low speed bad fuel average.

    kind regards

    i am totally fed up with this Suzuki ********. brother i have changed many patrol pumps but the average was same. so called mechanics on FR Suzuki don't want to open carb.. yesterday i go to another GS mechanic who have good repo. so he checked my bike and then he said i will do the tuning again and will change the fuel jet too.. so this one was my third tuning on 2500km.
    he changed the fuel jet and spark plug.
    then i fill patrol of 200. near to 500ml was used to wash the bike parts. near to 1.4 litre was left on bike. so far i have done 50km after the tuning and my bike is still running.
    50km on 1.4 litre. still have fuel in my tank. i think fuel average problem is fixed now.

    now only issue i have right now is ALIGNMENT. FR Suzuki try to fix my handle 3 times in week and after that he said it's your "waham" handle is fine. statement was given from "Ali" So called customer care head or whatever. i am bike rider from last 8 to 9 years. so i know when my bike handle is not working properly. there is something wrong in handle of each 2014 model bike out there.

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