Engine Oils

[B7ACKTHORN]

Re: Engine Oils

Guys, need your expert advice. My bike discover 125ST has completed 8k on odo and is due 5th service next month. I want to go with some other oil than the usual Bajaj dtsi oil(20W40) and see if it fixes the engine vibrations. Which brand oil will be good ?, please advice. Thanks.

First off an engine oil won't cause dramatic vibrations in an engine but what an engine oil can do is induce harshness but not vibrations per se. If you have vibrations, try tightening the engine mount bolts, and all the nitty-gritty and see how it fares. Check your fuel tank bolts also the front visor adjacent components etc, that's the base line check.

Secondly if you face "harshness" where the engine is quite a lot sounding different, clattering sound etc, then you may want to consider changing the oil to a better grade one.

You might want to consider, Agip 20w40/Shell AX7 and consider Mobil Delvac

Cheers!
VJ

[Anuj_Gupta]

Re: Engine Oils

First off an engine oil won't cause dramatic vibrations in an engine

Cheers!
VJ

I beg to differ but it does
I'm speaking with 4 NS and experience w.r.t. bajaj dtsi and motul 3100 gold.
Same bikes, on dtsi used to behave like a vibrator.
Same bikes on motul, runs very very close to like a honda bike in terms of vibes,etc




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[B7ACKTHORN]

Re: Engine Oils

I beg to differ but it does
I'm speaking with 4 NS and experience w.r.t. bajaj dtsi and motul 3100 gold.
Same bikes, on dtsi used to behave like a vibrator.
Same bikes on motul, runs very very close to like a honda bike in terms of vibes,etc

Sent from my LG-P765 using xBhp Connect mobile app

I think you didn't catch my post clearly. You're conflicting yourself here, vibration is completely different from harshness that's observed in a vehicle. That's what most people confuse when it comes to vibration versus harshness.

Let me explain, as in your case in point, let's take Honda and an NS in equal terms put them in center stand and keep the bike idle, I've seen them both vibrating irrespective of their engine oil though not with each standing next to each other, but at different circumstances. Rev the engine, you will see the Honda being "smoother" and other bikes being little harsh it's this harshness that translates to vibrations. Not vibrations per se induced from engine.

Anything that's framed on top of the engine will vibrate, simple physics. Every action has an equal and opposite reaction.

Cheers!
VJ

[forceedge]

Re: Engine Oils

I was using motul 3000 20w40 for 2 years till last oil change when I noticed the oil drop to 500ml in just 2k km. Now I switched to shell ax7 riding it for about 200+ km now and the oil hasnt reduced so far.

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Oil consumption not only means Block has gone kaput. It may be worn out valves, worn out rockers and sadly, a knock off oil. So urge you to check with other engine oil aswell. Do pour in a bit thicker grade if its xxW30 or xxW40. Then come to the conclusion.

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I beg to differ but it does
I'm speaking with 4 NS and experience w.r.t. bajaj dtsi and motul 3100 gold.
Same bikes, on dtsi used to behave like a vibrator.
Same bikes on motul, runs very very close to like a honda bike in terms of vibes,etc




Sent from my LG-P765 using xBhp Connect mobile app

If I am not mistaken then NS is a cross bred between Indian Tech. and Austrian Tech., so, essentially you can't or should not compare NS and other Pulsars. Now coming to the mill and the much hyped NVH levels of Pulsar's in general, Man, its just the nature of that particular Motor!!! It gives it a character, or it simply is its character. Whereas the KTM Motor is a very refined motor, but still not as refined as Honda's. Oil will never really make that big difference, it sure cuts down the NVH levels upto noticeable limits, but not so much, so that to bring it closer to Honda's refinement. It may have been loose/worn out mountings, cracks in plastic parts, and so many other things... But, as B7ACKTHORN & Bibhu has mentioned in the P220 DTS - i thread, NVH levels in Pulsar's are its character, so you can't go away without it...

[KranthiRKK]

Mixed Synthetic and Mineral oils

I own a Pulsar 150 UG 4.5 2011 model, it did 15000 kms recently.

I was using Motul 300v 15W50 with 250ml top up of Motul 5100 15W50.

2 days back I gave to Bajaj authorized service center for normal service and told not to replace/top up the oil, as I am using synthetic/semi-synthetic oil.

But after the service I realized the oil level is higher, when I asked the same to SVC guys they said they did top up when I argued with them they checked with their mechanic and said they didn't top up/replace , but I am able to see the oil level change clearly. And if they had topped up, they would use Bajaj's 20W50 (which may be around 200ml).

So I need your advises on what will be the immediate problems with

1. Mixing Oils with 2 different grades (15W50 vs 20W50).
2. Mixing Full synthetic and Mineral oil.


This is my first post in xbhp, so please let me know if I made any violations to forum rules.

[B7ACKTHORN]

Re: Mixed Synthetic and Mineral oils

Query Approved

Mixing mineral with semi synthetic is not at all an issue, indeed they all contain the same, but mixing it with a fully synthetic like esters that is 300V isn't a good idea. And yes there is a 90% probability that they've used the DTSI 10,000. Oil that is more than the recommended is equally tiring to the engine as it would be when the levels are low.

So 200 ML isn't that a big deal even when full syn is considered but they both shouldn't be mixed at 50:50 or 50:40 but 200 ML should be okay, but even then never indulge in topping up with Bajaj 10,000.

The best idea would be to purchase two cans of 300V and use it for top up purposes and in the consecutive top ups you can purchase just one can, in that way is saves money and hassle free.

Cheers!
VJ

[Aniruddha Shinde]

Re: Mixed Synthetic and Mineral oils

Experts, please help me.. How to check weather Motul oil is original or not... Cuz I am suspecting that I am running of fake Motul product.. cuz I dont receive cash coupon which is written on the pack and can does not have the fill assist which we can see on other Motul cans by which we dont need funnel to pour in the engine.. I have only completed 100 kms after started using it.. Please assist

[Himanshu Patel]

Re: Mixed Synthetic and Mineral oils

Experts, please help me.. How to check weather Motul oil is original or not... Cuz I am suspecting that I am running of fake Motul product.. cuz I dont receive cash coupon which is written on the pack and can does not have the fill assist which we can see on other Motul cans by which we dont need funnel to pour in the engine.. I have only completed 100 kms after started using it.. Please assist

I also got Motul 3100 like you said. Without fill assist and cash coupon. But my bike engine is running smooth till now. Completed around 350 kms. If somebody know please share how to check.

[Aniruddha Shinde]

Re: Mixed Synthetic and Mineral oils

I also got Motul 3100 like you said. Without fill assist and cash coupon. But my bike engine is running smooth till now. Completed around 350 kms. If somebody know please share how to check.

Yeah bro, Motul 3100 gold 20W50 is the oil I have taken

[sinnerz2000]

Re: Mixed Synthetic and Mineral oils

Experts, please help me.. How to check weather Motul oil is original or not... Cuz I am suspecting that I am running of fake Motul product.. cuz I dont receive cash coupon which is written on the pack and can does not have the fill assist which we can see on other Motul cans by which we dont need funnel to pour in the engine.. I have only completed 100 kms after started using it.. Please assist

I haven't seen a fake motul can so far, you probably bought an old stock can, check the manufacturing date on it.

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[forceedge]

Re: Mixed Synthetic and Mineral oils

I also got Motul 3100 like you said. Without fill assist and cash coupon. But my bike engine is running smooth till now. Completed around 350 kms. If somebody know please share how to check.

Fill assist comes with Motul 5100 and upwards. Sadly, you can check the authenticity of your Motul 300V only, through their site.

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I haven't seen a fake motul can so far, you probably bought an old stock can, check the manufacturing date on it.

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I can tell you that Motul now has knock offs in the market, especially the 5100 and upward range most pirated is 300V, that is the reason Motul has now given a tool to check the authenticity of 300V cans. Motul has a very long shelf Life, so no need to worry about it, mate. One of my friend has just poured in Motul 5100 in his Yamaha FZ and the import date printed was Mar 2004, and so far he has done more than 3000kms on the same oil. He has reported a noticeably smoother ride.

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Experts, please help me.. How to check weather Motul oil is original or not... Cuz I am suspecting that I am running of fake Motul product.. cuz I dont receive cash coupon which is written on the pack and can does not have the fill assist which we can see on other Motul cans by which we dont need funnel to pour in the engine.. I have only completed 100 kms after started using it.. Please assist

Which oil? Which bike? Mate, urge you to please give as many details as possible, so that members would be able to help you with their inputs. The coupon comes inside the Cap. As I've written, fill assist only comes with Motul 5100 and upwards. You have probably purchased Motul 3100 Gold 20W50.

[Pinaki]

Re: Mixed Synthetic and Mineral oils

... So I need your advises on what will be the immediate problems with

1. Mixing Oils with 2 different grades (15W50 vs 20W50).
2. Mixing Full synthetic and Mineral oil.
This is my first post in xbhp ...

No problems at all . All types / grades of engine oils are fully compatible and miscible . If the oil level was showing low , I'd say the Bajaj service did the right thing by topping it up - since you declined a full oil-change . It is vital to have oil to the correct level . So their rules must forbid them to let a bike go out with low oil level post-service .
Welcome to xbhp .

.. How to check weather Motul oil is original or not... Cuz I am suspecting that I am running of fake Motul product.. cuz I dont receive cash coupon which is written on the pack and can does not have the fill assist ..

Cash coupon is under the label on the bottle and you have to tear the label to get it ( usually for motul oils ) . Ask the oil seller about it . Also not all motul oil bottles have the extensible funnel thingy on the mouth - I've seen that on the 300v bottles only .

[Aniruddha Shinde]

Re: Mixed Synthetic and Mineral oils

Which oil? Which bike? Mate, urge you to please give as many details as possible, so that members would be able to help you with their inputs. The coupon comes inside the Cap. As I've written, fill assist only comes with Motul 5100 and upwards. You have probably purchased Motul 3100 Gold 20W50.

Yeah Brother I purchased Motul 3100 Gold 20W50 I mentioned it in my next post.. and yes I use 2012 Bajaj Avenger 220 DTS-I model.

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Cash coupon is under the label on the bottle and you have to tear the label to get it ( usually for motul oils ) . Ask the oil seller about it . Also not all motul oil bottles have the extensible funnel thingy on the mouth - I've seen that on the 300v bottles only .

Thank You Sir.....Cuz performance of my bike is so far so gud. But these two things are freaking me out, afterall its a blood of bike. I was going to change it this week end, but seems its normal..

[maadyy]

Re: Mixed Synthetic and Mineral oils

No problems at all . All types / grades of engine oils are fully compatible and miscible . If the oil level was showing low , I'd say the Bajaj service did the right thing by topping it up - since you declined a full oil-change . It is vital to have oil to the correct level . So their rules must forbid them to let a bike go out with low oil level post-service .
Welcome to xbhp .

Cash coupon is under the label on the bottle and you have to tear the label to get it ( usually for motul oils ) . Ask the oil seller about it . Also not all motul oil bottles have the extensible funnel thingy on the mouth - I've seen that on the 300v bottles only .

The coupon comes inside the can. I have filled twice since last 2500kms and once I got the coupon. It's not necessary that coupon will always be there.

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Yeah Brother I purchased Motul 3100 Gold 20W50 I mentioned it in my next post.. and yes I use 2012 Bajaj Avenger 220 DTS-I model.

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Thank You Sir.....Cuz performance of my bike is so far so gud. But these two things are freaking me out, afterall its a blood of bike. I was going to change it this week end, but seems its normal..

You need not to worry about funnel sort of thing inbuilt. 3100 never comes with such things. Last time when I changed my engine oil I didn't got any coupon. But before that I got one that also of 20rs . So worry not and keep munching miles. By the way you can collect oil from Airoli counter if you wanna be assured of oil being genuine or anything playing in your mind. Radha Auto garage in Mulund Airoli road.

[Aniruddha Shinde]

Re: Mixed Synthetic and Mineral oils

You need not to worry about funnel sort of thing inbuilt. 3100 never comes with such things. Last time when I changed my engine oil I didn't got any coupon. But before that I got one that also of 20rs . So worry not and keep munching miles. By the way you can collect oil from Airoli counter if you wanna be assured of oil being genuine or anything playing in your mind. Radha Auto garage in Mulund Airoli road.

Thanks buddy next time when I need to change the oil I will surely get the oil from there....