Re: Condensation inside headlight assembly

My personal experience is that the HID projectors are worse than the stock system. Yes, they have great illumination, but as far as reach and spread are concerned they are absolutely useless. Reasons; firstly the projectors are not made to work with stock reflectors and secondly the headlight lens are also not designed for the projectors. This leads to very bad reflection that throws the odd angles which gets compounded when the refraction angles defuse the beam of light. This is very pronounced when the HID's are used on wet roads.

Also consider this fact; the same powered HIDs work well in cars but when put on a bike you never get the same results. Ask yourself why? Check the following on a friend's bike which has HID, ask the friend to switch on the headlight in the evening and compare it with your bike's headlight. Stand about 6 feet way and the check the lights. You will find the the HIDs' while very bright, are defusing the light at the edges of the headlight assembly and not focusing properly and most of the illumination is being wasted, whereas the stock light while not very bright, they do not defuse, hence give better focus and throw.

Re: Condensation inside headlight assembly

Hey, this makes sense if you're using an HID in the stock reflector, and light does scatter horribly. But if you are using a projector retrofit, all the light is focused and thrown exactly where you want it. Also because of negligible scatter, it does not blind oncoming vehicles as well. Am planning a projector retrofit project, with HIDs. Will update whenever possible.


As for my bike, I rode to Delhi for the Auto Expo and back, so I'm at 58k kms. The bike is bone stock except for my lights, where both beams work in low as well as high. Output does NOT seem 70w, which is why the fuss (in my head) with HIDs and stator mods. I'm running a Michelin Pilot Sporty 100/80 17, the stock size as my rear tire. This tire is actually meant to be a front tire with two center grooves running along the entire length, but to my amazement, it is as good as stock. I have not yet found a single complaint with this tire. Grip levels are amazing, and wet surface feel has definitely improved (or its a psychological effect of having center grooves). I changed the clutch plates at 53k kms (dont stone me! The plates were worn around the 48k mark!). So far so good. Runs like a dream. Plan to take the bike to 1 lac kms before I part with it.

Cheers!

Re: Yamaha YZF-R15

Just a heads up guys, there will be traces of oil in the airbox. This is normal. The reason this happens is because we have an air induction system (mechanical) which draws fresh air from the airbox via a completely separate channel, and inducts it into the exhaust valve. This is done to bring clean oxygen rich air to continue the complete combustion of gases in the exhaust header to reduce pollution, which then go through the cat con further reducing the emissions. That's how the bike is BSIV compliant ever since it was launched.

Re: Yamaha YZF-R15

Hello Guys, I just bought R15 V2 MotoGp Ed. 3 months ago. From the day of purchase, my bike seems to lack power compared to others. I thought its new so may be the engine is not opened completely so i continued. But after 5500 Kms also same problem. Bike just struggles to gain speed. max speed i reached is 137kmph. told the service guys many times but they say bike is all fine and they have checked it well. did my last service at Yamaha factory shop pune . acceleration is very poor(compaired to my friends 1yr old v2)still issue not solved. I am a new rider and have very very less technical knowledge . any idea what might be the problem?

Re: Yamaha YZF-R15


How did you conclude that your bike lacks the pick up or power your friend has? Did you ride both bikes?

What is the condition of the air filter? Tire pressure?
Do you upshift before or after 6500 rpm?





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Re: Yamaha YZF-R15

What is your shifting pattern?? Do you upshift early? If yes, take the bike to its higher power band before shifting.
Are you taking care of the required tyre pressure?
Is the chain tightened? All these play a role in limiting your bikes performance.

G1
Sent from my GT-I9300 using xBhp Connect mobile app

Re: Yamaha YZF-R15

Yes I have tried both bikes and there is a huge difference. His bike easily goes 144kmph-145kmph whereas mine even struggles reaching 100kmph(top clock 137kmph but took a long time).

Both bikes are stock with no performance upgrade of any kind. Moreover I used Super Shell petrol and he used regular for most of the time. With shell I just get a bit of performance improvement.

Airfilter is good(My service guy told me). Tire pressure is rear 35 and front 28. Usually I drive between 5000-6000RPM but on highways and regular night drives i go till 8K,
*Sorry for late reply due to limited internet access recently.

Re: Yamaha YZF-R15

Yes I have tried both bikes and there is a huge difference. His bike easily goes 144kmph-145kmph whereas mine even struggles reaching 100kmph(top clock 137kmph but took a long time).

Both bikes are stock with no performance upgrade of any kind. Moreover I used Super Shell petrol and he used regular for most of the time. With shell I just get a bit of performance improvement.

Airfilter is good(My service guy told me). Tire pressure is rear 35 and front 28. Usually I drive between 5000-6000RPM but on highways and regular night drives i go till 8K,
*Sorry for late reply due to limited internet access recently.

Re: Yamaha YZF-R15

About time you got your clutch plates + pressure plates checked.

Re: Yamaha YZF-R15

It seems impossible. Maybe if someone else (who has owned an R15 for quite some time) rides it, can shed some light.

If the bike is tuned up, the filter's clean, the chain cleaned, lubed and tightened, and the air pressure is fine, I see no reason why your bike should under perform. Do you both weigh the same? Although since you have ridden his bike also, that should not be a major factor.

One thing which comes to my mind is a weak fuel pump. A lot of version 1 bikes manufactured in India had issues with the fuel pump assembly. While riding listen for the fuel pump noise. If your bike's pump sounds a little more whine-y then maybe the problem lies there.

Besides this, its very difficult to guess. Try riding yours and his bike back to back and explain the difference here. Might give us some more ideas.

Yamaha YZF-R15 Fuel Pump Issue

Hi Guys,

I have an issue with my bike and I need a favor. I own 2009 Yamaha R15 v1.

Lately my bike started turning off in between rides, then the frequency increased, later the bike won't maintain RPM and now the bike won't even start.

Took it to SVC, he cleaned the fuel tank and pump and still the problem existed. SVC guy said fuel pump needs to be changed.

Fuel pump costs nearly 11k and I don't want to jump right in and buy a new one. Before that I would like to find out can the fuel pump be revived?

If so, please suggest some leads. Your inputs are greatly appreciated. BTW, I stay in Bangalore. Any leads on R15 specialist mechanics in Bangalore is also greatly welcome.

Re: Yamaha YZF-R15 Fuel Pump Issue

Have you checked the spark plug?

Re: Yamaha YZF-R15 Fuel Pump Issue

Add to that spark plug cap, use your multi meter to measure the resistance, check in you service manual for the required range.

Re: Yamaha YZF-R15 Fuel Pump Issue

Hi Guys,
My 2008 R15's Chain has broken and come out, The mechanic near homes says the whole set with sprocket needs to be changed, Is that true. It will take a bit of an effort to take the bike to SVC with out chain, Getting it done with the local mechanic seemed to be easy, Has any one faced with the similar problem.

Thanks in advance.

Re: Yamaha YZF-R15 Fuel Pump Issue

^^Yes it's wise to change the sprockets at the same time (not essential though, depends on how worn they are), they're cheap enough for this bike, so you may as well do it