Re: Yamaha YZF-R15 version 2.0

I suppose IYM means India Yamaha Motors Pvt. Ltd. Or is it?? Please clarify it as I'm not good with acronyms. :-)

Re: Yamaha YZF-R15 version 2.0

Yes. IYM is India Yamaha Motors.

Re: Yamaha YZF-R15 version 2.0

Change the oil filter on every change because the manual recommends it.
This was your first service so it was very important to change the oil filter. I would strongly recommend getting it changed.
I had lots of vibes too initially but over a few thousand Kmart it went away.
No point getting pissed of about the service, it's still miles better than some other manufacturers SVC's. The only solution is learn about the bike or heck even do some of the stuff yourself. Many members here do the basic maintenance themselves (although I never got that far).
Another thing: be friendly with the mechanics and people at the SVC.


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Re: Yamaha YZF-R15 version 2.0

Hi everyone,

Posting a small review on combination of speed as fuel and nitrogen gas in tyres.

PROS OF SPEED
-engine smothness
-good pickup
-less carbon emission
-better mileage
-reduced engine sound

CONS OF SPEED
-tough to find in mumbai, not all petrol pumps keep it.
-a bit costlier

PROS OF NITROGEN
-super handling and grip
-improved mileage ( proper air pressure major of time)
-no problem of expansion of air pressure
-economical atleast in my case (just 50 bucks first time, all top ups are free for next three months. Normal air cost 5 to 10 bucks everytop up if not done at petrol pumps, so at least 20 bucks a month )

CONS OF NITROGEN
-not available everywhere and free topup available only on branches of that air fill pump.

Getting owesome FE of 42 in mumbai city ride (40 km daily on JVLR) , 45-46 on highways.

Happy rains

Re: Yamaha YZF-R15 version 2.0

Nitrogen.

1.the normal air consists about 78% of nitrogen, which means our tyres already have 78% of nitrogen. meaning you r are filling 22% nitrogen for the said amount.
2. i am hearing about the handling part for the first time. it does not improve anything.
3. as i said, there is a little difference between normal air and nitrogen air. you will have a better life for the tyres thats all.
4. economical? normal air fill is free in petrol bunks. nitro is costly.

nitro in tyres will increase the life of tyres because the air loss is very less compared to the normal air. thus reducing the need of filling air again n agian and also increasing the life of it. i had nitro in my tyres before, started filling normal air without deflating the nitro, hardly made any difference. just that i keep filling normal air whenever pressure reduces.

Re: Yamaha YZF-R15 version 2.0

I am not doubting your experience, its just that i get better handling as in there is less reduction in air pressure and almost none increase in air pressure. So i get better grip which result in better handling.

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Re: Yamaha YZF-R15 version 2.0

I am not doubting your experience, its just that i get better handling as in there is less reduction in air pressure and almost none increase in air pressure. So i get better grip which result in better handling.

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Re: Yamaha YZF-R15 version 2.0

Regarding Speed petrol the main thing is the higher octane rating. And the thing is that if you are using a higher rating octane fuel than the one recommended by the manufacturer, it does nothing for you. If you go with lower octane rating than recommended then it can affect performance, or worse, damage your engine. R15 doesn't require Speed. My advice is save money and get regular fuel.

About nitrogen: its not going to improve your bike's handling & grip, wont increase mileage nor affect the pressure change that occurs with increasing tyre temperature. Its not economical either because regular air is free. All it does is increase the recharge intervals - that's it. (Yes Nitrogen is used in racing applications but the neighborhood nitrogen filling shop doesn't have the sort of equipment required to fill moisture-free pure nitrogen.)

But hey i am a believer in the placebo effect! ;-)

Re: Yamaha YZF-R15 version 2.0

I don't need more power for city riding, I just love it!

Re: Yamaha YZF-R15 version 2.0

Hello all,

I've been having issues with the ignition system, and can't seem to diagnose the cause.

Issue: When I turn 'on' the ignition, nothing starts up- no engine check, speedo is blank, starter doesn't work; can't jump start it either. Over the past few days, I keep turning the ignition on and off about 5 times to finally get the displays to turn up. Once it does turn up, the bike rides as normal, no variation in performance and engine does not kill itself during a ride.

History: This had been happening for a while now. I changed both the switch panels (including the kill switch one), and the issue still remains. Apart from these panel switches, the headlight cable is new, the spark plug is new (stock), and the battery is new (no issues with the battery, I'd know if it is).

Extras: Everything is stock. No aftermarket headlights or horns.


It's not the starter relay either, like I said, once the display comes on after a few ignition turns, everything is perfect. If anyone knows what the reason could be, please let me know. PS. I do not trust SVCs, would rather do it myself.

Best,

Re: Yamaha YZF-R15 version 2.0

Kindof OT, but I am so curious and need to know the countries where Yamaha R15 2.0 was officially released?

Re: Yamaha YZF-R15 version 2.0

Google can provide you with accurate results

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Re: Yamaha YZF-R15 version 2.0

From the points that you mentioned, there's only one thing that I can think of, the connection malfuntioning in the starter relay. Maybe when you're switching on the ignition, the points are not getting connected correctly to switch on/pass on the battery provided power to the bike. Also, when starter relay doesn't get sufficient amount of power from battery this type of issue arises. Check your starter solenoid. For more info check this Starter solenoid - Wikipedia, the free encyclopedia.

Re: Yamaha YZF-R15 version 2.0

I Came across various reference that MOTUL 300V 15W50 is a very good full synthetic engine oil when its comes to R15. Have anyone used it before? How's different is your ride after this ?

Re: Yamaha YZF-R15 version 2.0

There are couple of things I would like to add out here about nitrogen based on my experience:

1. Tyre manufactures specify air pressure on the basis of cold tyre situation. There was time (late 80s and early 90s) when many of them use to give hot tyre pressure specs also. Nowadays Perelli is one of the few companies that recommends a hot tyre specification.

2. These hot tyre specifications are normally in the region of 2 to 3 psi more than the cold tyre pressure recommended.

3. What it essentially means is that every tyre has a tyre pressure range which has a cold pressure to begin with, which then increases as the tyre gets warmed up.

4. So considering that with normal air, the correct running air pressure is 2 to 3 psi more than the cold tyre.

5. With nitrogen it is claimed that the air does not expand as much as normal air. Therefore, it will not reach the operating band of 2 to 3 psi above cold tyres.

6. Therefore, if nitrogen is used instead of normal air and the air pressure is kept at recommended cold tyre specs, it will be operating at below the optimum running tyre pressure. It will in fact be a under inflated tyre.

7. Considering the above, if you are going to use Nitrogen, you may want to add 1 to 2 psi more than the recommended cold tyre pressure to compensate for the said property.