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Old 16th February 2019, 22:31   #1
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Default Bought a Yamaha R15 v3 - Can the fuel economy be so high?

After test riding several bikes, reading reviews on this forum, and getting to know from others on my post (Moving from an Enfield Continental GT to the Yamaha R15 v3?), I eventually bought a Yamaha R15 v3 ABS.

Ironically, when I wanted to sell off my Royal Enfield Continental GT (CGT) 535cc and get a Japanese bike, the idea was to buy something relatively short and easy to ride and maintain. In spite of having two test rides, I did not realize until I came to a stop at a junction part of my daily commute that this bike was perhaps taller than CGT. I go home and check specs only to realize that this is actually among the tallest of the bikes in the market including some of adventure bikes! Anyway, despite it being taller, I am finding it easy to ride and handle (just one day 'real' experience yet).

Question to those who used this bike
I see an average fuel consumption of 62.4 kmpl in 154 kms since I bought including 114 kms today on highway. Rest was in city. Can the mileage be that high really, even after considering the factor that I had to limit my rev to under 5000 rpm during the first 1000 kms of break-in period? Will this continue to be so, if I keep the revs under 5000 rpm?

By the way, if you are interested in reading the background to selecting this bike, it can be read here.
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Old 16th February 2019, 22:44   #2
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Default re: Bought a Yamaha R15 v3 - Can the fuel economy be so high?

Yes, it is very much possible if you keep an eye on the revs. I got 55-60 km/l during the run-in period of my R15 v2. Now the bike has done 11k+ kms and return 55 km/l on highways at 5000 RPM in 6th gear (75 km/hr).

I usually don't hit the redline but riding in 5000-8000 RPM range does bring down overall fuel efficiency figure to 35-40 km/l. FE hasn't gone below 35 km/l ever in the past 2 years.

EDIT: Just realised you are having a v3. Mine is a v2.

Last edited by self_driven : 16th February 2019 at 22:46.
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Old 17th February 2019, 01:03   #3
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Default re: Bought a Yamaha R15 v3 - Can the fuel economy be so high?

Quote:
Originally Posted by mkovuri View Post
I eventually bought a Yamaha R15 v3 ABS.
Congratulations on the purchase!

Quote:
Question to those who used this bike
I see an average fuel consumption of 62.4 kmpl in 154 kms since I bought including 114 kms today on highway. Rest was in city. Can the mileage be that high really, even after considering the factor that I had to limit my rev to under 5000 rpm during the first 1000 kms of break-in period? Will this continue to be so, if I keep the revs under 5000 rpm?
At the end of the day it's a Fuel Injected 150cc motorcycle, so the FE is understandable.

But then don't keep the revs too low, due to the taller gearing there have been more than a few cases of crank bearings going for a toss on machines owned by riders who ride Indian Style.
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Old 17th February 2019, 08:36   #4
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Default re: Bought a Yamaha R15 v3 - Can the fuel economy be so high?

The paper specifications about power say otherwise, but, I found the V3 to be lacking in power in comparison to the classic R15 [Indonesian made]. I had a go in the current gen [ergonomics were off for me], but I found it to be a dud in comparison to the classic R15 [launched at Rs. 97,425 in 2008].

In fact, I think, the FZ-25 has more grunt than the V3, maybe this is the reason for the higher FE in V3 [and substantially lower FE in FZ-25].
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Old 26th February 2019, 09:40   #5
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Default Re: Bought a Yamaha R15 v3 - Can the fuel economy be so high?

I didn’t try it really well, but during the brief attempt to cross 7,500 RPM, found that the VVA to kick in, and when it does, it felt like the turbo kicking in my Skoda Octavia. Perhaps the additional power can be felt here. In any case, I am not used to driving or riding vehicles at high RPM. So I will have some learning first before I could confirm for sure if the VVA band does make any difference.
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Old 12th March 2019, 20:59   #6
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Default Re: Bought a Yamaha R15 v3 - Can the fuel economy be so high?

Just rode the R15 V3 today. Absolutely brilliant bike I must say. Congratulations on the purchase

The fuel economy you're getting is really high but can be expected considering the variable valve actuation tech and the low revs that you are maintaining. For example whenever I ride my bike with someone following, and I have to go slowly to ensure they can be seen in the narrow wedge shaped mirrors of my RC390, I always get pleasantly surprised to see an average of 35 or above. Mind you this is an old 390 with choppy fueling at low rpm which itself would be sapping some of the fuel efficiency and it lacks variable valve actuation which your bike has so an FE of 65 isn't too surprising on a 150cc smooth Japanese bike with VVA when revs are kept low.

How do you keep the revs so low btw? Today when I tested the R15, I simply couldn't resist going Wide Open on the throttle for atleast 90 percent of the test ride. The bike is simply sublime and begs to be revved. Did you go for the extended 5 year/70k kms warranty as well?

Quote:
Originally Posted by Sheel View Post
The paper specifications about power say otherwise, but, I found the V3 to be lacking in power in comparison to the classic R15 [Indonesian made]. I had a go in the current gen [ergonomics were off for me], but I found it to be a dud in comparison to the classic R15 [launched at Rs. 97,425 in 2008].
There might be 2 reasons why you felt the V3 lacked in power. The first would be the VVA doing its job well ensuring a linear healthy delivery of power. The old R15 was more peaky and perhaps that is why you felt it was quicker also peak power and torque delivery are delivered much higher in the rev band on the new bike. It could also be down to the fact that the original R15 came with much narrower tyres, with market requiring better looks, folks like Yamaha and KTM are loading up 140-150 section tyres on 125, 150 and 200cc machines. They simply do not require such a large contact patch. How did you find the ergos to be off? I infact loved the ergonomics of the new R15 in comparison to its predecessors. The previous gen R15s felt like they were designed for shorter 5'8" and under riders with the seat being low and very close to the handle bars putting a guy like me in a scrunched up position. The new one feels a lot roomier in that respect.

Last edited by IshaanIan : 12th March 2019 at 21:15.
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Old 13th March 2019, 00:09   #7
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Yup! I have had insane figures in the run in period, currently, I do not drive too much on highways mostly in the city. Say Mira Road - Lower Parel. Whenever I get the change I hear the sweet sound of the engine until 8k rpm and when the roads are empty, that is until 10k rpm usually. I am usually around 100km/hr at 4th gear. I still get 43-45, 2700kms done so far. Enjoy the ride.
P.S: I do not have the ABS version, figuring if Yamaha would do the upgrade
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