Honda VFR 750 project? need advice!
JOELIFTER
Has anyone bored out their VFR750 to 900? (successfully) If so, please
let me know about your experiences, specs etc.
Please email, thanx!
ken house
Hey Fred--why do you suppose that nobody races the VFR's?
They are great street bikes, and i would love to strip one down for
the track, but haven't seen any.
What is so different between the RC36 (VFR) and the RC45 to make the
VFR uncompetitive?
--ken
Fred Farzanegan P185
In article <54b0ek$e...@newsbf02.news.aol.com>, joel...@aol.com (JOELIFTER) writes:
|> Has anyone bored out their VFR750 to 900? (successfully) If so, please
|> let me know about your experiences, specs etc.
The VFR doesn't make a good racebike. If it were bored out to
900ccs, it would have to compete against CBR900RRs, GSXR1100s, etc.
As it stands, its competition is ZX7Rs, GSXR7, YZF7, etc. You shouldn't
race it (r.m.racing, right?), but if you do, let me know because I can
always use some parts for my VFR street bike.
Hope this helps,
-fred
kristen ann hill
In <54ggqs$7kg$2...@hammer.msfc.nasa.gov> ken house
G-Force Racing in Sacramento Ca. did a top end job on a 95 VFR750 and
got 106hp out of it. I think it was just porting and a pipe.
Ken Hill
Fred Farzanegan P185
In article <54ggqs$7kg$2...@hammer.msfc.nasa.gov>, ken house <ken....@msfc.nasa.gov> writes:
|> Hey Fred--why do you suppose that nobody races the VFR's?
Well, I've actually taken mine to the track. As you probably know, it handles
*great*, but compared to other 750s, its way down on power. I also managed to
crash it on said track when the pipe levered the rear wheel. :-/
I have a _strong_ VFR and it only makes 89HP.
|> They are great street bikes, and i would love to strip one down for
|> the track, but haven't seen any.
I did see one ('91) in an ad last year in RRW&MT. It was very tricked out,
lots of RC30 parts, everything stripped down to sub 400#. He was asking a
lot for it as well.
|> What is so different between the RC36 (VFR) and the RC45 to make the
|> VFR uncompetitive?
_Cycle_ had a great article on the VFR and RC30 when they were both out.
It was subtitled, "less in common than you think". Though they share similar
characteristics, the RC30 has a different crank firing degree, etc. But then
again, how many RC30s do you see on the track anymore?
How many RC45s (non-smoking joes) have you seen on the track. I haven't seen
a single one, and I race about every other weekend. It takes a LOT to make an
RC45 a superbike- even Honda doesn't try to race one in supersport.
-fred
C. Walzer
JOELIFTER wrote:
>
> Has anyone bored out their VFR750 to 900? (successfully) If so, please
> let me know about your experiences, specs etc.
>
TTS in England offers an 840cc big-bore kit for the VFR. You can
find their number in any of the Brit magazines. I've heard they
are pretty good quality, but no personal experience.
John Chung
> |> What is so different between the RC36 (VFR) and the RC45 to make the
> |> VFR uncompetitive?
>
> _Cycle_ had a great article on the VFR and RC30 when they were both out.
> It was subtitled, "less in common than you think". Though they share similar
> characteristics, the RC30 has a different crank firing degree, etc. But then
> again, how many RC30s do you see on the track anymore?
>
> How many RC45s (non-smoking joes) have you seen on the track. I haven't seen
> a single one, and I race about every other weekend. It takes a LOT to make an
> RC45 a superbike- even Honda doesn't try to race one in supersport.
I think that for the time being, Honda has conceded that it
cannot beat the other 3 major Japanese brands on costs and developement
with just one bike (line-in 4cyc) [Ducati/Triumph being more "exotic"]
so Honda went for the two-pronged approach (since 1990 or earlier
in 1987, depending if you questioned the what Honda brought
to Daytona in 1987 - especially the fork legs) :
1.) Build a V-4 750cc exclusively for winning races (1st -'95 AMA)
but is too expensive for average consumer.
2.) Build a V-4 750cc Sport-GT bike with all-around capablities
to win consumer's pocketbook and magazine reviews.
As long as Honda stick w/ V-4 750's, I believe they will stick to
the 2 bike approach since V-4 engines is Honda Motorcycles's mantra.
We will have to wait until sometime in 1997 to see if Honda
changes its tune about 750cc sport-GT or race-replica motorcycle.
Rumors of a 850cc V-4 GT are floating around, so don't bet on
a race-replica.
Ride Hard, but Safe,
John
1984 Honda VF500F R.I.P.
1989 Honda CBR600F Sold
1990 Yamaha FZR1000 For Sale?
1992 Yamaha FZR600 For Sale!
1984 Yamaha RZ350 Incoming? (Pending sale of above)
1990 Honda VFR750 In Sister/Bro-in-law's Custody in LA
David Faber
Honda will introduce an 840 VFR next year to replace the current
model.
_________________________ ..... o&o> ______________
David Faber
http://airway.uchicago.edu/admin/faber/dfaber.html
Erik Astrup
On 21 Oct 1996 18:53:16 GMT, ken house <ken....@msfc.nasa.gov> wrote:
>Hey Fred--why do you suppose that nobody races the VFR's?
I'm not Fred, but I play one on TV. :)
As far as VFR's go...hmmm..ungodly porky, low powered, slow steering, no
ground clearance.... Other than that I think they would clean up in the 750
class.
I remember watching one at AFM races last year. (95 season) It was a
newer (90's not 80's model) and the guy was dragging the crap out of this
thing in turn 1 at Sears. You could hear it grinding hard bits down in the
left hander under the bridge. You just don't drag body work in turn 1 at
Sears...unless you're on a VFR that is....
>They are great street bikes, and i would love to strip one down for
>the track, but haven't seen any.
They ARE great STREET bikes. And I have seen a couple at the track. Scary.
Actually I've seen more of the 86 and 86 VFR's than the new ones. Small
wonder, they're lighter and faster. Not that it means much against
90's vintage ZX-7s and GSXRs. But the older 80's models (had one)
seem better suited for the track even with their skinny tires than
do the new porky versions.
>What is so different between the RC36 (VFR) and the RC45 to make the
>VFR uncompetitive?
The list is long....and distinguished. Suffice it to say it's easier to list
what the 45 and the VFR have in common. A V4 motor and two wheels. Other
than that? Not much.
----------------------------------------------------
Erik Astrup DOD #683
'89 Transalp "Jekyl" ----- '95 Triumph Tiger "Hyde"
www.mother.com/~eastrup/home.htm
Home of "Astrup's Motorcycling Hall of Lame!"
Team Iguana Racing Owner
*** Keeper of the Transalp Mailing List ***
----------------------------------------------------
ScanRan
In article <54ijsf$e...@bcrkh13.bnr.ca>, fr...@bnr.ca (Fred Farzanegan
P185) writes:
>How many RC45s (non-smoking joes) have you seen on the track. I haven't
seen
>a single one, and I race about every other weekend. It takes a LOT to
make
>an
>RC45 a superbike- even Honda doesn't try to race one in supersport.
You know, I saw an RC45 for the first time on the track at Daytona last
week. They were qualifying for F-USA and struggling around the 2:00 mark.
In contrast, Todd Harrington put his ZX6R at the front of the EBC
challenge race and won while turning sub-2:00 times. Pretty frickin
amazing-- remember when KR finally broke the 2 minute barrier on his works
4 cyl 2 stroke racer? Bikes sure have come a long way. Todd kicks some
serious ass, too.
FWIW, the RC45 may have been a converted streetbike and I heard some of
the early ones were awfully slow.
anyhow..
Randy N.
sca...@aol.com (Randy Norian)
RD350 -little monster RG500 Gamma- hey, it runs!
95 ZX6R -"gumby"
Robert M. Mihalek
In article <326D43...@dacc.uchicago.edu>
David Faber <dfa...@dacc.uchicago.edu> writes:
> Honda will introduce an 840 VFR next year to replace the current
> model.
I was reading the latest (?) issue of Fast Bikes and they had the 1997
replacement for the VFR as being a 996cc V-twin with a half fairing.
Come to think of it, it wasn't called "VFR", but something like STR or
VTR. Maybe the 996 twin is just going to be a new bike in Honda's
line-up.
------------------------------------------------------------------------
Robert Mihalek, Ph.D. (mih...@smtp.anes.upmc.edu)
University of Pittsburgh, Department of Anesthesiology
1995 VFR750 "Irving" 1997 NSR500 or Bimota BB500 (in my dreams)
------------------------------------------------------------------------
Steve Breen
> You know, I saw an RC45 for the first time on the track at Daytona last
> week. They were qualifying for F-USA and struggling around the 2:00 mark.
>
> the early ones were awfully slow.
>
Hey Randy!
That RC45 at the NASB/RoC weekend -- was it Orangish/red and white with
Marlboro
all over it? If so, that's Hector Cordero's bike, he races (among other
places)
in the CCS Florida region. He's the Dominican Republic National Champ
(FWIW),
the bike isn't all _that_ slow, and it's got TONS of HRC stuff all over,
including
Ohlins up front and that, hmmm, Penske rear shock. HP wise, its never
really impressed
me when it runs against ZX7/GSXR/916 Superbikes @ Moroso.
Running around 2:00's is still pretty good, for a club level racer,
although I wouldn't
be happy with all THAT kinda money wrapped up in a bike... 27K + + +
--
Steve Breen
-----------------------------------
96 ZX6R -- Street
88 Hawk -- Race
CCS SE/FL Am #321
ScanRan
In article <326FC2...@IntNet.net>, Steve Breen <sbr...@IntNet.net>
writes:
>That RC45 at the NASB/RoC weekend -- was it Orangish/red and white with
>Marlboro
>all over it? If so, that's Hector Cordero's bike, he races (among other
>places)
That was the bike!
>in the CCS Florida region. He's the Dominican Republic National Champ
>(FWIW),
>the bike isn't all _that_ slow, and it's got TONS of HRC stuff all over,
>including
>Ohlins up front and that, hmmm, Penske rear shock. HP wise, its never
>really impressed
>me when it runs against ZX7/GSXR/916 Superbikes @ Moroso.
>
>Running around 2:00's is still pretty good, for a club level racer,
>although I wouldn't
>be happy with all THAT kinda money wrapped up in a bike... 27K + + +
No doubt. My buddy (amateur) I race with was running 2:04s on a stock
CBR600F3 w/ micron and Dynojet kit. (he's faster than hell, though) We
were watching the intervals, approx 52 seconds at WOT on the banking. You
can easily pick up several seconds (minimum) on motor alone there- My
Ninja is at Computrack w/ a mangled frame so I got to spectate last week..
benchracers-R-me! Hey, finally came home w/ no new bruises for a change.
Later- Randy N.