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Old 02-14-2007, 01:11 PM   #1
cp6rider
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Inline 4 VS. V-Twin

what is the differance between the two when riding them, i have not been on a v-twin and am wondering how different the throttle, low end torque, what kind of ride will i get etc..
I really like the RC-51 and Duc what would i expect if i decide to go with a v-twin instead a inline 4
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Old 02-14-2007, 01:14 PM   #2
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Old 02-14-2007, 01:16 PM   #3
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I had a SV650S and then upgraded to a ZX-6R....i really do miss the V-twin low end power and grunt but hated gettting left behind on long stretches of road....if i could do it again i would of just got a RC-51 or SV1000S...
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Old 02-14-2007, 01:25 PM   #4
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A V-Twin bike should be easier to turn since the crankshaft is shorter and there is less rotating mass beyond what an I-4 crank has.

Also the V-Twin engine sends power to the rear wheel similar to a 'big bang' effect rather than the small-bang rapid pulse of the I-4. i.e. - less likely to spin the rear wheel coming out of a turn with the v-config. But when it does spin it's harder to recover.

EDIT:
That was taken from this awesome book that I've been reading.
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Old 02-14-2007, 01:37 PM   #5
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Unfortunately for the twins... the newr I4 motors are pulling harder at lower RPMs.
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Old 02-14-2007, 01:47 PM   #6
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Quote:
Originally Posted by Moody
Unfortunately for the twins... the newr I4 motors are pulling harder at lower RPMs.
My Duc weights almost the same as an R1 (wet), and makes 25 less HP and almost the same torque. The Duc has a more linear power band.....but it's tough to beat the HP difference. I do think they are easier to ride.
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Old 02-14-2007, 01:50 PM   #7
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If your a new rider you probably wont notice a difference in the two.
hat models are you looking at specificly
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Old 02-14-2007, 01:53 PM   #8
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Quote:
Originally Posted by Moody
Unfortunately for the twins... the newr I4 motors are pulling harder at lower RPMs.
+1.
There isn't much low end difference in between V-twins and newer I4s.
If it wasn't Italians, V-twins would've been gone a while ago.
Most Japanese manufactures don't care much for V-twins.

Honda - Superhawk - Stopped producing since 2005
RC51 - No more updates since 2002 and there's no 2007

Suzuki - TL1000 - Stopped producing since 2005
SV650 and SV1000 - The only "doing well" Japanese V-twin
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Old 02-14-2007, 01:54 PM   #9
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Quote:
Originally Posted by jrock
If your a new rider you probably wont notice a difference in the two.
hat models are you looking at specificly
Probably correct, unless you rode them back to back. Of course they do sound a little different.
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Old 02-14-2007, 01:55 PM   #10
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Quote:
Originally Posted by BrutusTx
Probably correct, unless you rode them back to back. Of course they do sound a little different.
Can't beat the sound of a Duc!
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Old 02-14-2007, 01:56 PM   #11
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I was very suprised at the torque the K6 GSX-R 600 is putting down as low as 7000 RPM.
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Old 02-14-2007, 02:33 PM   #12
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Quote:
I had a SV650S and then upgraded to a ZX-6R....i really do miss the V-twin low end power and grunt but hated gettting left behind on long stretches of road....if i could do it again i would of just got a RC-51 or SV1000S...
i dont get left behind when im on my 650 everybody i always tryin to keep up:laughing6
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Old 02-14-2007, 02:36 PM   #13
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i built a superbike engine for my 650 last year that would run with 600rr until about 140
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Old 02-14-2007, 02:38 PM   #14
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put it this way you line up a gsxr 1000 and an rc51 goin 70 mph hand have both bikes in 6th gear and the rc will win
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Old 02-14-2007, 02:40 PM   #15
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Quote:
Originally Posted by Romeo36
i built a superbike engine for my 650 last year that would run with 600rr until about 140
How much hp did it have? I know it can go upto 98.
How often did you have to rebuild?
I bet it was every other race or something... eww...
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Old 02-14-2007, 02:55 PM   #16
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I've owned a few of each.

1998 Superhawk

1999 SV 650

2001 GSXR 600

2002 Hayabusa

Both the Superhawk and SV were very pleasing to ride in inner loop conditions. Lots of low end torque, lower gearing, comfortable ride.

The GSXR needs to be flogged to get going, but on the open road or trackday it is a hoot.

The Busa, even after gearing shorter, was the ticket for country riding. 80 - 140 in seconds. Scary fast when a turn was on the horizon. Never saw 4th gear on my daily commute in town, 3rd was almost too tall.

So for the city, give me a v-twin or a large bore Motard any day over a I-4. For SMR's,3090 give me the I-4.

PS, I am faster at most tracks on my stock SV650 than on my lightly modded GSXR600. INstant power and great tractability win out over outright horsepower.
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Old 02-14-2007, 02:59 PM   #17
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Quote:
How much hp did it have? I know it can go upto 98.
How often did you have to rebuild?
I bet it was every other race or something... eww...
umm i rode it till it started knocking. i dont remember how much hp it had. but it pulld right with a 600rr coming out the last turn at TWS (Texas World Speedway). power wheelie in second. it hauled
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Old 02-14-2007, 03:09 PM   #18
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Quote:
Originally Posted by Romeo36
put it this way you line up a gsxr 1000 and an rc51 goin 70 mph hand have both bikes in 6th gear and the rc will win
No flipping way..........well maybe if the person on the RC has a rocket in his *ss:eh:

Last edited by BrutusTx; 02-14-2007 at 03:18 PM.
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Old 02-14-2007, 03:17 PM   #19
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Quote:
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put it this way you line up a gsxr 1000 and an rc51 goin 70 mph hand have both bikes in 6th gear and the rc will win
Sorry, but you're a dumbass!
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Old 02-14-2007, 03:20 PM   #20
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Now the Ducati is a different story........
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