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faffi

MT07 power - and that of the competition

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faffi

I found this rather interesting.

For comparison, look at the numbers from a 40 year old litre bike

 

 

MT07 effekt samt konkurrenter.jpg

GS1000E effekt.jpg

Edited by faffi
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shinyribs

I remember watching a review of the Benelli and the riders couldn't stop commenting on how gutless it was. Harley could have something real nice with their Streetrod, if the fix the ergos and shed some weight. They're on the right track. I hope they keep progressing and don't let public opinion stall what could be a really big leap for their reputation. They could easily go to a parallel twin layout to shed weight, but I doubt they'll venture away from their V twins anytime soon. Suzuki proved a light, strong V twin is doable in a reliable, affordable package, though. 

 

Those oldschool big block bikes had good grunt down low, but modern engines just knock their socks off when it comes to throttle response. 

 

I used to have a heavily modified twin cam CB750F that was done up to 823cc that I thought was really something. Right at 100hp to the rear tire, but my 07 would blow it in the weeds from any speed, any gear, period. The old CB would pull easily to 150mph, though...

 

 As much as I adore the oldschool, modern bikes just kick ass. I love them both equally, just for different reasons! And the handling is lightyears apart. All the power in the world doesn't matter if you can't make it handle. 

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mjdavis1994

Recently I've been going on group rides with lots of people that rode R6s, R1s, some 600RR, a few GSXR, some pretty big bikes. They were all surprised that I could hang with them till they went 120+. We had some cbr 300s and 250s and boy am I glad my brother talked me out of getting those. 

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topazsparrow
36 minutes ago, mjdavis1994 said:

Recently I've been going on group rides with lots of people that rode R6s, R1s, some 600RR, a few GSXR, some pretty big bikes. They were all surprised that I could hang with them till they went 120+. We had some cbr 300s and 250s and boy am I glad my brother talked me out of getting those. 

Yup.

 

I know gearing is a big factor in this comparo, but My buddies GSXR1000 didn't feel any faster during normal and spirited riding. It wasn't until you're at obviously illegal speeds where the bike would begin to shine. Think I'll stick with the FZ thanks.

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faffi

The R1 and similar race reps make similar power below 7000 rpm to that of the old litre bikes from the late 70s, but from there on up, it's a totally different ballgame.

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Beemer

No matter what anyone says I still likes me an old blue smoke blowin' 2-stroke. I don't care what h.p. it produced compared to modern bikes, I just liked how they sounded. I didn't have to be going fast to enjoy them because the exhaust note was like music to the ears. Just going through the gears at a normal pace was enough. I truly liked them that much. Of course the feeling of being on a rocket didn't hurt once in awhile. 😉

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bornagainbiker
13 minutes ago, Beemer said:

No matter what anyone says I still likes me an old blue smoke blowin' 2-stroke. I don't care what h.p. it produced compared to modern bikes, I just liked how they sounded. I didn't have to be going fast to enjoy them because the exhaust note was like music to the ears. Just going through the gears at a normal pace was enough. I truly liked them that much. Of course the feeling of being on a rocket didn't hurt once in awhile. 😉

I second that motion. ;D

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faffi

What about a slightly massaged RG500?

disctest.jpg

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r1limited

I was riding once and this guy pulls up on a Hennessey Venom F5, I look over at the gal in the passanger side, raise my visor, wink and lick my eyebrow.  The dude in the drivers seat was all common fool, lets race so I pulled in the clutch adjusted my position to launch control redlined it until the limiter hit

 

Ya, thats right, thats what I am talkin about, no match for a moped that dude was scared

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norcal616

I think Yahamas CP3 motor is the best all around powerhouse mill in Yahamas line up.. it relatively easy going at low rpms as the CP2 motor at low rpms but once you start going into the "Goldilocks Zone" which is approx 4.5k to 11k rpms the CP3 motor just shines with displacement bust power thats reaching pretty good into liter bike power territory...

 

Im kinda biased with the CP2 motor, Im really sad to see Yahama neutered the motor with the stock FZ-07 airbox( the stock airbox was made to pass various regulations,etc...) ...it truly shines when used with a Hordpower Airbox or one of similar nature...

 

dyno graph of stock vs hordpower FZ-07

 

FZ-07.jpg

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shinyribs

I'm curious to see what Yamaha will do with the twin in the future. I don't think the engine is working hard now, so I think we'll probably see a few power increases over the years. I mean, we're not even burning good gas in these things.  I say over the years with confidence beside I don't think they'll be phasing out the triple or our twin anytime soon. They're just too good. 

Edited by shinyribs
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faffi

Here's the graph off a 1980 Kawasaki Z750 four as well

 

 

Z750 hp.jpg

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Cruizin
15 hours ago, shinyribs said:

I'm curious to see what Yamaha will do with the twin in the future. I don't think the engine is working hard now, so I think we'll probably see a few power increases over the years. I mean, we're not even burning good gas in these things.  I say over the years with confidence beside I don't think they'll be phasing out the triple or our twin anytime soon. They're just too good. 

Man, I remember good gas. Leaded. The really good fuel was kinda purple in color in the 70’s, those days are long gone now. 

I think there is power to be had in the mt-07 top end. Head/valves pistons. 

One of us needs to explore the above and report back.

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shinyribs

Less than 10 years ago we could buy "Cam2" here at the pump. It had that purple tinge and smelled sooo good. 

 

When I said "good gas" I actually meant high octane. Since these puppies purr on 87 octane with such a high CR, we know the combustion chamber is efficient. Adding some degrees to the cam lobes should add some upper rpm HP, and a bump in compression should recover any loss of bottom end power that might cause. I think it would be safe to assume that a longer duration cam (with maybe a bit more lift) and some added compression could easily get another 10-15HP out of the 07 without any loss of TQ. The only concession would be needing higher octane fuel, but I'd take another 15 HP at the expense of another 30-50 cents per fill up. 

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stev74

I love the engine of the FZ-07 (MT-07). I think its close to a masterpiece.
The throttle response is so direct...and makes it so effortless to accelerate quick.
But because of that throttle response and for a not really amazing clutch in my opinion the FZ-07 is not good for absolute beginners.

What I would like to see is a small 500-700cc, two cylinder, fuel-injected, 2-stroke(!), adventure or naked bike.
That must be awesome :)

 

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