Honda Unicorn - Page 164 - xBhp.com : The Global Indian Biking Community

mid · 02-01-2012, 06:53 AM

Quote:

Originally Posted by kulwinder

Hello fellow xbhpians ,
I am thinking of buying this beast but was taken back by hearing that it vibrate a lot at a speed of 80kmph. I just wanted to hear about this issue from fellows member ..Or any other remedy to this

may be it vibrates the least of any 150s' out there, leaving the R15

kulwinder · 02-01-2012, 07:16 PM

Quote:

Originally Posted by sinnerz2000

Not true bro, I've gone 110km speed on 3/4th throttle and didn't experience any vibration to be concerned about.

Thanks sinnerz2000 and mid . Actually i heard was that new CB unicorn vibrate at that speed and not older one. So any such problem face by any of you guys ??

mid · 02-01-2012, 07:36 PM

Quote:

Originally Posted by kulwinder

Thanks sinnerz2000 and mid . Actually i heard was that new CB unicorn vibrate at that speed and not older one. So any such problem face by any of you guys ??

but there isn't too much difference btw the two apart from the filter, aint it?

kulwinder · 02-01-2012, 08:02 PM

Quote:

Originally Posted by sinnerz2000

Not true bro, I've gone 110km speed on 3/4th throttle and didn't experience any vibration to be concerned about.

Quote:

Originally Posted by mid

may be it vibrates the least of any 150s' out there, leaving the R15

Quote:

Originally Posted by kulwinder

Thanks sinnerz2000 and mid . Actually i heard was that new CB unicorn vibrate at that speed and not older one. So any such problem face by any of you guys ??

Quote:

Originally Posted by mid

but there isn't too much difference btw the two apart from the filter, aint it?

Mid, yes but heard a lot of complaint on some consumerforums about cb unicorn vibration...

ashwinprakas · 02-01-2012, 08:57 PM

^^^
Different people different tolerance levels. For some it way vibe, for the rest it wont, so let that discussion be. NOW, for the guys who've been feeling the vibes, keep riding at what speed you feel the bike vibe's the most, for a considerable while and eventually the vibes will go away. Notice at what RPM the bike does 80Kmph(Or the RPM where it vibes.) And rev till that specific RPM in every gear before up shifting and the vibes will go away in no time, I learnt this while doing my second run-in.

ashwinprakas · 02-01-2012, 08:58 PM

Quote:

Originally Posted by mid

but there isn't too much difference btw the two apart from the filter, aint it?

I believe there was also a change in sprocket ratios.

sinnerz2000 · 02-02-2012, 01:01 AM

The differences are old uni had spokes, ordinary filter and 1 tooth less rear sprocket.
The new one has alloys, viscous air filter, and 1tooth extra rear sprocket.
Btw my 05 uni is running on the new sprocket coz the old one is hard to find now. Planning to put the viscous air filter too, any idea if it fits in the old uni?

mid · 02-02-2012, 09:44 AM

Quote:

Originally Posted by ashwinprakas

I believe there was also a change in sprocket ratios.

sprocket change was for 2007 uni over the original 2005 model. There is no change in sprockets afterwards i guess.

I own a 2010 model(last lot of non cb uni!

)
vibration issue, being a 150 any minor problem may result in abnormal vibrations after 80kmph, i have experienced it when my bike was not in 'full fit'. I have past 100kmph with pillion on top(both >70kgs) in straight road with negligible wind blast in relaxed posture, running on shell 10W-40 SS(almost 2k kms old!) and was properly warmed up and experienced NO vibes.

dhere_sameer · 02-04-2012, 10:02 PM

Quote:

Originally Posted by kulwinder

Mid, yes but heard a lot of complaint on some consumerforums about cb unicorn vibration...

I own a cb unicorn. I often touch 120kmph. No such issues. Of course, its not as butter smooth as it is when you're doing 60-70kmph. But nothing to be concerned about.

bikernoob · 02-07-2012, 09:21 AM

Quote:

Originally Posted by shatur87700

5th gear is just to cruise. If you are @ the speeds of 60 and then go to 5th gear that's a different story. But at so low speeds being at the speeds of 40 is not a right thing.

Being on the right gear at the right time is equally important for a better fuel efficiency and also be in the power band. While i know your bike is relatively newer and your engine is not free. So you will experience coarseness when riding at high speeds.

Let me remind you, Honda says that do not accelerate suddenly and also avoid high RPM's. To what you have mentioned looks like you are shifting gears at very less RPM.

I don't want to interfere with the way you ride, as i know the pressure that you must be to complete the run in period, but try shifting gears at 4000 RPM.

When on the slope i am sure your bike must be around 2k to 2.5K RPM. How can you be comfortable. You have to downshift. Avoid unnecessary strain on the bike engine.

Coming back to another issue. Bike stalls when choke lever is pulled off. Start your bike in the morning normally. Let it idle for 3 minutes. After the engine is relatively warmer, look at the RPM its idling. If you closely look at your RPM meter you will see that every 1000 RPM is divided by 2. So when your engine is warmer after 3 to 5 minutes of idling, then set the RPM to 1400 RPM. Please check your user manual to find the idling screw. That means the RPM meter should cross 1000 K and then 2 lines after that. That makes it 1400. Manual suggest the same. 1400 [+- 100]. After that see if it makes a difference.

Remember to do it only when your engine is warmer and not when it is hot. Read the owners manual carefully as most of the things that i told you is all in the owners manual.

Lets not get the carb setting changed yet. I found my idling was set incorrectly when i got my unicorn.

Happy riding.

Thanks for your reply..I'd been on a holiday to recharge my batteries :P

Now after I returned yesterday, the bike started with just one kick and that too without the choke ... I was so surprised...later in the evening the bike wouldn't start at all...and when it did, I had left the choke on for a good few minutes and after I cut off the choke, I faced the same out of petrol behavior from my bike..(and I've almost full tank petrol).. why could this be happening?

And regarding the gear shifting, yes I do tend to change gears around 3k+ mark..and I always like to put the bike in 5th gear and drive at 40-60 kmph..I don't know if I can change it since it was the same with my pulsar which I'd used for nearly 5 years...but will this habit of mine damage the engine or anything on the Uni?

My RPM is certainly very low cos each when the engine is started (without choke, and when its completely cooled), the RPM meter struggles to get to the 1k mark..and after idling for about 3 minutes, it hits 1.2 k mark (I do know that each line on the meter corresponds to 200rpm

)

should I change it? and if so, then how? I don't have my manual with me (the showroom guys didn't have it in stock

and promised to give it when I went there for 1st service

)

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02-01-2012, 08:57 PM	#1635 (permalink)
ashwinprakas Born Polite, But Arrogant by Nature. ;-) Join Date: Feb 2011 Location: Kollam Posts: 1,440	^^^ Different people different tolerance levels. For some it way vibe, for the rest it wont, so let that discussion be. NOW, for the guys who've been feeling the vibes, keep riding at what speed you feel the bike vibe's the most, for a considerable while and eventually the vibes will go away. Notice at what RPM the bike does 80Kmph(Or the RPM where it vibes.) And rev till that specific RPM in every gear before up shifting and the vibes will go away in no time, I learnt this while doing my second run-in. __________________ “Once the throttle is cracked on, it is rolled on evenly, smoothly, and constantly throughout the remainder of the turn.”

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02-02-2012, 01:01 AM	#1637 (permalink)
sinnerz2000 Senior Member Join Date: Aug 2011 Location: Bangalore Posts: 118	The differences are old uni had spokes, ordinary filter and 1 tooth less rear sprocket. The new one has alloys, viscous air filter, and 1tooth extra rear sprocket. Btw my 05 uni is running on the new sprocket coz the old one is hard to find now. Planning to put the viscous air filter too, any idea if it fits in the old uni?

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