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  • Engine Oil debacle.........unveiling the myth

    There are certain things to be considered while selecting the engine oil.

    Of course, you can use and buy a manufacturer's most recommended easily, but on an established engine and if you are into riding modes other than commuting like Touring or Racing you have to do some fine tuning.

    The oils questioned about the Suzuki GS150R most commonly are of grade 20W40 or 15W50.

    Remember, first there was trade-off and next there was the all-rounder.

    So how to read a motor-oil ???
    When it comes to the numbers that describe motor-oil, it is all about viscosity.All the engine oils that are used nowadays are blessed with multi-viscosity grades.
    They sport two viscosity grades of operation :
    1.Low temperature 2.High temperature
    For example in a motor-oil graded xWy.....x= level of viscosity at low temperature and y= level of viscosity at high temperature, but remember they are not temperatures.

    The Lower the level of viscosity of a motor-oil at lower temperature, the better would that engine oil flow in cold temperatures.Which means if you go touring in mountains and you have to start your bike over there in morning, your engine-oil with good low viscosity grade would jump into action immediately due to less resistance due to viscosity.This actually helps as the engine does not run dry at start up and avoids unwanted wear and tear.

    Now, the question arises, but low viscosity engine oil would suffer at high temperature wont it ????

    My answer would be,yes and that is why the engine oil of now-a-days sports multi-viscosity mode.

    Now get this factored in that on a vast and fast highway, you want to redline your bike and would love some hard acceleration for a bit of sporty riding out of corners.But all these situations gives rise to high engine levels of engine operations which means higher temperature in the engine.So how the engine oil would hold its place ??? Well,The Higher the level of viscosity of a motor-oil at higher temperature, the better would be the integrity of that engine oil at extreme operation of engine.My actual opinion of an all-rounder engine oil would be,
    A fully synthetic 15W50 engine oil
    , because of the following reasons,
    1.Fully Synthetic: better at being a multi-viscosity oil, won't lose its viscosity now and then.While protecting the engine at all times and in any extremes, it is consumed less too.Fully synthetic oil is an engine oil at is maximum capability in its respective grade.

    2.Cold viscosity-15W: capable of instant operation even in frozen temperatures, much better at turning the engine at start-up in cold temperatures than the 20W oil.

    3.Hot viscosity- 50: Too good a grade for an engine-oil where the engine would be redlined or stressed by extreme operation leading to very high operating temperatures.This rating would help the oil to protect the engine as far as possible without allowing seizure due to viscosity disintegration of engine oil and running the crank dry.

    So if I go to ride in mountainous roads with this kind of oil in my bike, it means,I start the bike without any hue and cry outside the hotel in the morning and the engine feels very happy.While negotiating steep climbs revving high in lower gears, the engine would be at ease.While doing a steep descent, under huge amount of engine braking, the engine won't be stressed.
    Being fully synthetic means I can keep riding in the mountains till I become a yeti without changing the oil any sooner.
    Similarly in the city, cold morning starts and warm-up of engine would be of lesser concern and while going for a fast highway ride,redlining the bike won't tire the engine.
    So while riding the more confident would be I in any terrain and in any extremes.
    But this all-rounder is to be used only after the engine has done its run-in and has completed the initial 6000kms of its life, otherwise the costly fully synthetic oil has to be replaced now and then as it would be contaminated with debris of initial engine wear.
    I can suggest a brand name for the same: Motul 300 V 15W50 Fully Synthetic.

    So use the 20W40 mineral so long as 5000kms till the bike has set its engine in well.
    And if you want the advantage and extend the engine life and ready to spend some to gain some,switch to 15W50 full-synth.


    Now, the trade offs type of engine oil.
    The grades that shouts 5W30 or 10W40 or semi-synthetic are compromised type of oils.
    1.5W30 means more than enough low temperature performance, but where is the advantage at high levels of engine operations ???

    2.10W40 good low temperature performance but not enough for prolonged high temperature uses.......does not promise any significant advantage...does it ???

    3.Semi-synthetic- costs higher than the mineral oil but performance and life at par to the mineral oil, so why spend more ???


    So now you know the basics, I think you all can now decide what is good and better for your kind of riding.

    One more thing,sometimes there you would find some brand statements like Ester or Double Ester.......well an Ester is a chemical compound to begin with and it is used as an additive to integrate viscosity at higher temperatures.It betters engine oil quality.Thats all.

    Just make sure that the engine oil is labeled JASO MA2.As the engine meets specifications for use of this kind of oil.

    If you ask me for company,I would always prefer Motul,next would be Elf and I don't know about Shell,Gulf,Servo,Mak,Mobil and all but Castrol is one engine oil I would better avoid.It makes the engine feel like survivng and not living.

    Hope this post of mine helps every Suzuki owner and all other Bikers who follows our thread.
    Hell's Angel
    sigpic

    Comment


    • I have one Question? is it advisable to use 20w50 engine oil in GS because why i am asking is here in hyderabad summer temp is more than 40 degrees(around 45 degrees). I am feeling hard gear shifts while after travelling around some kms. I feel engine feel tear more with this heat and hard gears.

      Last week i changed engine oil and travelled 1000+ kms(Mumbai-Hyd trip included), now i am feeling some hard gear upshifts. Please advice is it good if i am choose 20W50 oil.

      Comment


      • Originally posted by pavan_cin View Post
        Last week i changed engine oil and travelled 1000+ kms(Mumbai-Hyd trip included), now i am feeling some hard gear upshifts. Please advice is it good if i am choose 20W50 oil.
        Use Motul 3000 4T plus 20W40 engine oil, it would impart exact levels of smoothness on the GS150R.

        And if that doesn't changes things then go for the 20W50 but be sure that the oil meets JASO MA2 standards.
        Normal bikers generally don't need SAE50 oils until and unless they redline and accelerate hard bike often.SAE40 can work well till 50 degrees Celsius of normal operations.
        Hell's Angel
        sigpic

        Comment


        • Originally posted by bond_007 View Post
          Hello Everybody,


          Its been 6-7 months and bike has done ~5k on Odo. From the day my bike's carburettor and tank got replaced, I am very happy with the bike...
          Now the monster is giving me 57 +-2 kmpl, no rusting on new tank, no sound from the front.... all problems solved (touch wood).
          congrats bro..good to hear that the bike is doing well. can you elaborate a bit on the sound that was coming from the front???

          how long did it take from the time u put the complaint in and the bike actually getting fixed??
          KM

          ------------------------------

          Cometh the hour cometh the man...

          Comment


          • Originally posted by mathewsyriac View Post
            I actually saw 2011 model at SMK Chennai....
            This time, they have fitted chrome bordered number plates..
            In the Front alloy there is a small difference compared to the previous versions.
            Graphics have be changed this time...
            Quality of the material used is definitely better than my 2009 model...
            Thats all i could notice
            Can anyone shed anymore light on this?

            I too heard from Bangalore showroom that 2011 model gs150r is coming. But they said there wont be any major changes except maybe new colors and graphics. But they also said that they will only know of the changes (if any) only after they receive the bike. My guess is new pearl white and copper color and maybe new tank (as current tank has been an issue for many gs owners). A smaller tank (but big-looking tank with plastic shrowds like fz) would be nice.

            And Mach50, very good informative post on engine oil. Thats a lot of typing work

            Comment


            • Finished 6th servicing today, bike back to smooth mode again (hope this time it stays smooth). Done 4k on ODO.

              Can we change the exhaust sound? I have seen here in bangalore , many DIO's riders have changed the exhaust sound(i have no idea, like a Vroom sound) or something which sounds like a Bassy apache RTR...


              What do they exactly do? can we do it to our GSR ? I would love a Vroom sound
              You cannot change your future, but, you can change your habits, and surely your habits will change your future - Dr Abdul Kalam

              Comment


              • a confirmed news from suzuki mumbai.....
                the new vehicle would be having a small fuel tank and new graphics....

                now my views on it.....may be the engine is tuned for more power and the weight is reduced.....
                sigpic


                My Saddlesore Log : The 1st Successful Saddlesore in World on a GS150R

                Comment


                • Hit the Highway today.

                  Went to have Sunday's breakfast 165kms off city..........had a highway ride after a long time.Last ride was in January.

                  GS150Rs performance is as usual.Had to carry a pillion when friend's Pulsar220 drank a lot of fuel carrying double.

                  Hit 125kmph on the speedo today while riding double.

                  Our bike seems to have a flawless speedometer, the Pulsar220 which was following me clocked 135 kmph while I was clocking 125 kmph.It also occurred when I was doing 90kmph, the Pulsar 220 was doing 105 kmph

                  Few pictures:



                  Last edited by MACH50; 04-18-2011, 03:27 PM.
                  Hell's Angel
                  sigpic

                  Comment


                  • Originally posted by Maestro View Post
                    a confirmed news from suzuki mumbai.....
                    the new vehicle would be having a small fuel tank and new graphics....

                    now my views on it.....may be the engine is tuned for more power and the weight is reduced.....
                    Dude i have booked GS @ thane i want blue colour it is not available, & yes your information is right that the NEW GS is coming is a true news i also got the same reply from a perosn from gurgaon working at suzuki he said same engine would be fixed which is refined!
                    but i am unhappy because i really love the huge tank , but will the small tank increase the mileage ? & as u say did u get any confirmation in reducing the weight of the bike ?
                    because if that happens will it affect the stability on highways ?

                    Please guyz help me on this !

                    Comment


                    • Iam back after a long pause.
                      sorry guys i was busy and did not have access to internet for sometime.
                      Nice to see many active gspians in the forum.
                      odo reading-7000kms.
                      Im happy with my bike except for poor mileage around 40kmpl.
                      Never argue with an idiot. He will drag you down to his level and then beat you with experience.

                      Comment


                      • Originally posted by gs150r View Post
                        Finished 6th servicing today, bike back to smooth mode again (hope this time it stays smooth). Done 4k on ODO.

                        Can we change the exhaust sound? I have seen here in bangalore , many DIO's riders have changed the exhaust sound(i have no idea, like a Vroom sound) or something which sounds like a Bassy apache RTR...


                        What do they exactly do? can we do it to our GSR ? I would love a Vroom sound
                        Half the dio's which make a loud sound (in b'lore atleast) have changed the exhaust pipes, not sure if its a professional FFE or anything, looked like some local crap to me. And putting those exhausts are illegal too btw.

                        The other half probably changed the air filter to k&n.

                        If you want you can try k&n, costs around 1.7k if i'm not mistaken, for exhausts you could try contacting Joel, he modifies bikes and makes FFE's, and he's in b'lore and xbhp too.

                        Comment


                        • Originally posted by manubhat View Post
                          Im happy with my bike except for poor mileage around 40kmpl.
                          I cannot understand why the mileage is so poor. Both of us are using the same bike, without any modification. My present mileage is 1900 kms - which includes a trip with pillion rider to a hill station 1300 mts above sea level - in 30 litres. The previous was 4643 kms in 71 litres, i.e. a total of 6543 kms in 101 litres of fuel.
                          Without any doubt, there is something faulty with your bike or your driving habit. Do a CO test and get the carburettor retuned by an experienced mechanic at the service centre. Besides, keep the tank full with fuel and polish your driving habits. This will give you an excellent mileage; I am sure.

                          Originally posted by thefalcon View Post
                          If you want you can try k&n, costs around 1.7k if i'm not mistaken, for exhausts you could try contacting Joel, he modifies bikes and makes FFE's, and he's in b'lore and xbhp too.

                          No need to spent Rs. 1700/- in vain for K&N. Just consult Joel or any other local bike modifier. They will make your bike VVRROOOOMM instead of simple Vroom.

                          Comment


                          • Originally posted by MACH50 View Post
                            Went to have Sunday's breakfast 130kms off city.
                            Nice pictures and excellent roads.

                            Originally posted by vulcan View Post
                            i am unhappy because i really love the huge tank , but will the small tank increase the mileage ? & as u say did u get any confirmation in reducing the weight of the bike? will it affect the stability on highways ?

                            Reducing the weight will increase the mileage but it will not affect the stability of the bike. There is no need to worry about it.

                            Comment


                            • Originally posted by vishnukmd View Post
                              Nice pictures and excellent roads.




                              Reducing the weight will increase the mileage but it will not affect the stability of the bike. There is no need to worry about it.
                              i heard about the tank from here itself some posts b4 4-5 a guy has posted this
                              .........
                              Great then then i have no issues if weight reduces in fact it will be a boon as better mileage will be delivered..i was confused & i selected a 150 cc bike mainly for stability as discover 100cc & honda cb twister are too light with narrow tires unstable on highways.

                              so u mean to say the new bike will be next to perfect ??coz now the engine is refined.braking is no issues headlight problems are almost solved ..then maybe it will be a killer what say huh ? i am waiting for this bike like hell i dream , sleep , eat , think about it iam gonna go mad for sure !

                              Comment


                              • Originally posted by vishnukmd View Post
                                Without any doubt, there is something faulty with your bike or your driving habit. Do a CO test and get the carburettor retuned by an experienced mechanic at the service centre. Besides, keep the tank full with fuel and polish your driving habits. This will give you an excellent mileage; I am sure.


                                No need to spent Rs. 1700/- in vain for K&N. Just consult Joel or any other local bike modifier. They will make your bike VVRROOOOMM instead of simple Vroom.
                                Hi, could you elaborate on riding habits, may be even i could try your riding style and see if my mileage improves. I was getting 47-48 before the CO tuning, haven't checked after.

                                My riding habits would include accelerating upto 4.5k in all gears on average, sometimes if i'm bored i keep the rpm around 2.5-3.5, may be while coming home in the evenings or when there's lots of traffic.
                                And if i'm first at a signal when it becomes green(with empty road ahead) then i go upto 6k in 1st, 2nd and 3rd gears.
                                Even if i feel like overtaking some other bike i accelerate hard, but dont cross 7k in any gear.
                                I ride 20kms a day usually, which includes about 28 signals. b'lore roads

                                Btw, Joel has some pretty good mods, you could check the FZ thread, he's made a FFE and custom bore kit for FZ and other bikes as well.

                                Comment

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