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**danyboy13** · 04-14-2012, 10:16 PM

Originally posted by sayank10 View Post

what makes you think like that?

both engines are good.both bikes are good.both looks good.
now i don't think a missing engine kill switch makes a huge difference in making decision while buying a good bike.

A DOHC is alwayz btr than a SOHC . It more efficient and can go for higher reevs

here's the short version...

a SOHC or single overhead camshaft engine uses a single camshaft on the head to lift all the valves, whereas in a DOHC or double overhead camshaft head, two camshafts are used to lift the valves (a camshaft each for intake and exhaust valves) ; normally, SOHCs are used in both 16 valve or 8 valve configurations (for a four cylinder engine), but DOHCs are used in 16 valve configurations (or more) only. some exceptions are there, like the vRS, which has DOHC layout and 20 valves (5 valves per cylinder).

a DOHC layout is better than a SOHC layout in many ways- in DOHCs, the valve timing is more precise, and better valve lift is achieved. also, a DOHC setup eliminates the need for rocker arms, hence creating better timing, and valve contact is more direct too. but of course, these are all in stock form. a SOHC layout, when tuned, can be as efficient as a DOHC, but under proper tuning, DOHCs always achieve more power than SOHCs...

**sayank10** · 04-14-2012, 11:41 PM

Originally posted by danyboy13 View Post

A DOHC is alwayz btr than a SOHC . It more efficient and can go for higher reevs

here's the short version...

...

well good copy-paste job.
now get back to the reality,a dohc set up is not really needed for a 4 valve configuration.
now considering that although it is a track-tool it will spend more of his life time on city streets,a low end torque is must.
sohc has better low end torque than dohc.
and about the power part ,cbr being a dohc don't have too much power advantage than sohc r15 apart from pick power coming at relatively higher rpm range.
moral of the story dohc is anyday better but we don't really need it on a 150cc 4 valve.

**harish_hd** · 04-15-2012, 02:11 AM

Originally posted by sayank10 View Post

well good copy-paste job.
now get back to the reality,a dohc set up is not really needed for a 4 valve configuration.
now considering that although it is a track-tool it will spend more of his life time on city streets,a low end torque is must.
sohc has better low end torque than dohc.
and about the power part ,cbr being a dohc don't have too much power advantage than sohc r15 apart from pick power coming at relatively higher rpm range.
moral of the story dohc is anyday better but we don't really need it on a 150cc 4 valve.

It can rev better. It makes more power. It has good modification potential = Its good

Being a DOHC is not the only reason for the CBR to have low low-end-torque(LET). CBR250R is a DOHC and still has healthy amounts of torque. You know that and the reasons behind it. CBR150R has a lower torque figures but is it completely unusable/pathetic in the city? Only a detailed review can tell.

**Satellite.kid** · 04-15-2012, 02:26 AM

Honda is famous for making its sport motorcycles pretty street friendly. Even their Fireblade develops the power/torque curve in a way that makes it more usable on the street than some other litre class motorcycles. So let's see how is the baby cbr to ride in normal city traffic.

@the two owners: How are you guys finding the baby cbr in traffic (mostly in terms of usable power)?

**yaswanthkonga** · 04-15-2012, 03:24 PM

Originally posted by Makky

14 pages and no proper ride report/review yet?!

What a pity!

Hii, till now there are only two owners in this Thread..
who just bought...
and second me who completed the 860 km..
. even though its normal running period is 500 km... acc to owners manual.. where it is said that" for better performance of the bike it is important , how you ride first 500 km..."

i have never crossed 5000 k in first 500 km.. i tooke it just over 8500 rpm and got 126 kmph..

and i am not that much confident with drag because it is important at how much rpm you shift your gear... right..

it requires much more experience..

i hope who bought 1.25 L bike to rev this much(more than 5000rpm) in the running in time,

pls dont be harsh on the engine for first 500 or atleast i would say 1000 km for your reply..
sorry bro. i cannot do this for this forum sake..
hope let me get some experience in perfect shifting of gears... then i can answer your question..

.................................................. ..........
Means it takes time to give owners to give reply.. than the fullrange test drive which requires a perfect track and perfect rider.

**yaswanthkonga** · 04-15-2012, 04:03 PM

Originally posted by Satellite.kid View Post

Honda is famous for making its sport motorcycles pretty street friendly. Even their Fireblade develops the power/torque curve in a way that makes it more usable on the street than some other litre class motorcycles. So let's see how is the baby cbr to ride in normal city traffic.

@the two owners: How are you guys finding the baby cbr in traffic (mostly in terms of usable power)?

its quite good .. be at 35 kmph keeping around 3500 rpm and 6 th gear..its ok..
less than 35 you have to gear down...

as i weigh 60 kg,... i can feel the acceleration... or the pull. .. may be persons weighing more.. may not feel the pull because of the less torque..

as a biker i have a doubt.. is it the torque that makes you feel you feel that you are accelerating or is it the power.. actually perseption might be different than the performance...

because high torque bikes like enfeild.. from the first gear as you release the clutch you feel like you were thrown from the place where you are standing...

what is required...for a bike....!!!

**Satellite.kid** · 04-15-2012, 04:29 PM

@yaswanthkonga: Both power and torque are required to work in sync with each other along with gearing. Infact, gearing makes a lot of difference in the ride. Torque helps in pulling the motorcycle while the horse power helps it to attain certain speeds. Torque along with proper gearing defines how quick or slow the motorcycle can pull. For example, two similar motorcycles with similar horse power, here torque and gearing would define which motorcycle would be quicker to attain its top speed.

But I am not a technical person so I wouldn't be able to explain the technicalities behind it.

**punarvasu** · 04-15-2012, 06:04 PM

Originally posted by niranjanvaidya View Post

Has anyone tried a drag with the R15 V2? Would be interesting for these two great machines to have a dogfight on the track. Any predictions as to who will win?

Originally posted by sayank10 View Post

my prediction on tracks r15 will have slight edge in overall functioning.

Originally posted by Satellite.kid View Post

Honda is famous for making its sport motorcycles pretty street friendly.

Originally posted by yaswanthkonga View Post

its quite good .. be at 35 kmph keeping around 3500 rpm and 6 th gear..its ok..
less than 35 you have to gear down.

AS far as I know, the gear ratios of CBR 150R are as this:

Primary reduction ratio 3.476

Final reduction ratio 15/44

1st gear ratio 3.038

2nd “ 1.941

3rd “ 1.500

4th “ 1.227

5th “ 1.041

6th “ 0.923

If it is correct, the speed of CBR 150R and YAMAHA R15 V2 and SUZUKI GS 150R - two other 150 cc 6 gear bikes - in 6th gear at various RPM will be as follows:

CBR 150R R15 GS 150R

3500 RPM 46 50 48 kmh

5000 “ 65 72 69 “

8500 “ 111 122 118 “

10000 “ 131 144 138 “

10500 “ 137 151 145 “

12500 “ (?) 164 180 173 “

If the gear ratios I have quoted are correct, all the arguments or – more correctly – fighting here are in vain and Honda (more precisely APHONDA, a Honda affiliated company) is trying to dump another substandard bike with no torque in the name of sports bike which was used in Junior Road Racing series and in Ladies Road Race in Japan, here in India.

Yaswanthkonga, please check the gear ratios and correct it if necessary.

**Aneesh@4GHz** · 04-15-2012, 06:06 PM

Originally posted by aargee View Post

+Million times Makky!!! I was expecting some reviews, but this thread is also not spared by few regulars who'd like to keep challenging for nothing!!!

100+^^^

OT:aargee sir your avatar is looking great.

Me too read the whole thread to know these.

3. Is the engine oil to be used is 10W30?

Synthetic used in CBR250 or just Mineral oil ?

8. Fuel tank & engine oil capacity

**Satellite.kid** · 04-15-2012, 06:20 PM

Originally posted by punarvasu View Post

which was used in Junior Road Racing series organized by The Motorcycle Road Race Development Association in Australia and in Ladies Road Race organized by Motorcycle Federation of Japan since 2007, here in India.

Yaswanthkonga, please check the gear ratios and correct it if necessary.

Substandard bike?... This thread is slowly getting its way back to its purpose, please let it be.

yaswanthkonga has just posted that (with his weight), cbr is comfortable enough to not lug at 35kph in 6th gear, I think that shows it has pretty usable torque at low speeds in high gears. Let's try to trust what the man says who actually rides it rather than just following the figures!

**mulli84** · 04-15-2012, 06:47 PM

This is my first post in this forum.

I booked a CBR 150 in Kun Honda ,Chennai like a month back. They are saying it takes 3 months to get the bike(already a month is gone). Im really baffled by this waiting period.

Based on the owner posts here, I feel that the only feature left in the bike is the light flasher switch. Even my TVS Victor which i owned before had that switch. Why cant they provide a switch in this bike?

Other than that, Im happy with the bike.

**aargee** · 04-15-2012, 08:28 PM

Originally posted by punarvasu

Please remember how CBR 250R and HH Impulse became flops in our market

Excuse me??? Is it your opinion or a fact?

Thanks @Aneesh@4GHz

**Sudhir88** · 04-15-2012, 08:44 PM

Originally posted by mulli84 View Post

This is my first post in this forum.

I booked a CBR 150 in Kun Honda ,Chennai like a month back. They are saying it takes 3 months to get the bike(already a month is gone). Im really baffled by this waiting period.

U can check out the Black+white version displayed in didar honda(opp to thousand lights).. i will keep you posted

**christo** · 04-15-2012, 09:06 PM

Originally posted by punarvasu

Please remember how CBR 250R and HH Impulse became flops in our market.

really, how come?

**Nithesh** · 04-15-2012, 10:12 PM

Originally posted by punarvasu

CBR 150R was with 80/90-17 front tire and 100/80-17 rear tire and was with a dry weight of 115 kgs. When came to India, its front tire is 100/80-17 (the rear tire size of the original CBR) and rear tire is gigantic 130/70-17 size. The dry weight has increased by 15 kgs but the peak power and the poor torque remains the same.

Please remember how CBR 250R and HH Impulse became flops in our market.

First of all I am sorry dear owners for taking this thread up for a discussion so please excuse this post.

Dear Punarvasu, The 150R you first mentioned with 100/80-17 rear tyre was the older CBR150R.
The 150R with the fatter tyre is the 2011 CBR 150R internationally available with the same tyre spec.
Also if a bike produces 2-3N-m below competition it does not make it "Substandard". The bikes you mentioned are still losing out on HP which could also make them "substandard"(if we were to strictly go by your definition)
So please do some research before you type any further about Any product on xbhp.

Also 15000+ 250R's were sold between April 2011 - Oct 2011 that is a span of 6 months. If that is a "flop" product then God bless you.

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