Will I shag my engine if I zoom at high revs?

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spiderbyte
02/10/2002 at 14:12
So I'm a new rider, started on a 250 cruiser/standard, the thing didn't have a tach so I learned to listen to the engine. Just bought a sportbike three days ago, an 86 Honda VF500, mint condition. I'm not used to the way it sounds and not used to using a tach. Goes up to 12 rpm. The middle is 5 or 6. So that's what I'm supposed to be keeping the bike in, right? What happens if I go up to 7 or 8 and keep it there? What happens if I go up to 9 or 10? Does this wear out my engine?

In top gear, keeping it at 6 rpm only lets me go to like 120-40 km/hr, but it's supposed to be able to do 200. How long would I be able to do 200 for before things started busting up?

Just wondering.

-Spiderbyte
KFZ
02/10/2002 at 14:49
No.

its a VF so it will do it all by itself. Only joking the 500 is good little bike.

Kev
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http://www.eddnet.com/kev
Dazed&Confused
02/10/2002 at 16:58
are VF's not the ones with melting camshafts then or was this only the 750's? ...or is it all hype?
Rehab is for quitters!
TIT#93D
www.dazedproductions.co.uk
number8
02/10/2002 at 17:37
depends m8 ... do u have any mechinacal simpthay ??

if u do carry on as u are ... and oly carry on up to the higher revs for short periods of time

But if u arent in the last bit mechnically sympthaytic (im not)
it wont harm the bike to rev the nuts off it, i have 2 bikes with redline at 14k and ive found that one the limiter is at 16k its and the other hasnt got one ..

so in ansewer to ure question , Yes it will wear the engine more but were talking taking the engine life down form 150,000 miles down to 130,000 miles .... so in all honesty , no it dont matter

I frequently ride my cbr400 at very higih revs (11k) for extended periods of time Ok yes it increases wear but not noticablly

u will probally find that the engine will rev much higher that the red line and probally more than the rev limiter but it will SERIOUSLY decrease the engine life (ask kfz about his ducati panta and redlines )


im sure some one more qualifed will come along soon to tell me bolloks

This is madder than the day Mr mad went ot madville on national mad day while tied to another mad thing.
You sir are mad as a baloon!
Keep it up ---- KFZ
TIT#148E/A TWO#/A/1150 (gs) 1100 (bmw s) 850(trx fighter) 750 (zx7r) 650 (sv commuter hack) 
Brought to you by
--<>-- Olly Logic [TM] --<>--

KFZ
02/10/2002 at 17:38
Just 750's but there was some 11's

The 11 was a big barge anyway.

the 400 and 500 are nice littlw bikes, a bit complex but small and neat handling and go good.

Kev
DISCLAIMER:
Application of the procedures described herein is at your own risk. Myself or other Visordown members have submitted this information in good faith, without charge but neither myself, members nor admin will be held responsible for any injury, damage or loss whosoever caused resulting from your use of these procedures or Information. This infomation is not intended to replace your repair manuals, your common sense, or your responsibility for your choices and actions.

http://www.eddnet.com/kev
ZRX61
02/10/2002 at 18:16
number8 wrote

Yes it will wear the engine more but were talking taking the engine life down form 150,000 miles down to 130,000 miles .... so in all honesty , no it dont matter



You have first hand experience of 14k redline bike engines lasting 150,000 miles do you???
If I wanted to make a life-long career out of working with the mentally retarded I would have gone into Special Education or opened a Harley Davidson dealership
kickstart68
02/10/2002 at 21:32
KFZ wrote

Just 750's but there was some 11's

The 11 was a big barge anyway.

the 400 and 500 are nice littlw bikes, a bit complex but small and neat handling and go good.

Kev


Hi

Didnt think there was an 1100, just a 1000.

The 750 was the engine which was aiming for early retirement. The 500 wasnt meant to be bad but I think they had quite a few cases of failed cranks (the one I almost bought had the crank die about 2 months after I decided not to buy it).

As to revs, I wouldnt worry about it. TReat the red line as the point the engine is safe to go to on a regular basis. Just change the oil and filter regularly. Our little GPZ500 gets run at around 8K most of the time, the FZ750 is geared to only do 70 at 5000rpm, but then the little 125 2 strokes are geared at roughly 10mph per 1000rpm, and will cruise at arounf 8000 fairly easily

All the best

Keith
number8
02/10/2002 at 22:18
ZRX61 wrote



You have first hand experience of 14k redline bike engines lasting 150,000 miles do you???


Oh poo to u .....

bleeding nit pickers

I was actually refering to the VF500


Its possible


stop staring at me like that


IT IS!!!!



i dont expect my cbr engine to last much over 50k .....
but i know of a CX500 that has gone round the clock 4 times ...
only ever the usial maitence noting big ever broke on it ..

This is madder than the day Mr mad went ot madville on national mad day while tied to another mad thing.
You sir are mad as a baloon!
Keep it up ---- KFZ
TIT#148E/A TWO#/A/1150 (gs) 1100 (bmw s) 850(trx fighter) 750 (zx7r) 650 (sv commuter hack) 
Brought to you by
--<>-- Olly Logic [TM] --<>--

ZRX61
03/10/2002 at 01:01
number8 wrote



Its possible
stop staring at me like that
IT IS!!!!


What colour is the sky on your planet?
If I wanted to make a life-long career out of working with the mentally retarded I would have gone into Special Education or opened a Harley Davidson dealership
Jay P
03/10/2002 at 02:24
there were 5 displacements of VFs, the rest are VFRs I think
VF500 (Magna and Interceptor models)
VF750 (Magna, Sabre and Interceptor models
VF1000 (half faired and full faired models, the latter being limited to a few thousand models I think)
VF700s (U.S.A. only, Magna, Interceptor, and possibly sabre)
VF1100s (Sabre/Magna only)

The 500 didn't have cam problems, but check with your dealer, some of them had bearing problems, Honda does or did give replacement engines. Either way, it is apparently a problem that only occurs if you rev the shite out of the engine.
kickstart68
03/10/2002 at 06:35
Jay P wrote

there were 5 displacements of VFs, the rest are VFRs I think
VF500 (Magna and Interceptor models)


There was also the VF400, predecessor to the VF500. Used a small handlebar fairing in ssteel tube frame. Not sure if they were sold in the USA or Canada

All the best

Keith
KFZ
03/10/2002 at 08:29
weve had the Honda VF debate loads of times.

Basically all 750's should be used as shipping anchors, the 400 and 500 are nice little bikes with a good turn of speed, nippy handling, but a bit of a pig to work on. The 1100/1000 are big barges and pretty irelevent when CBR's and big Kaws are cheaper and better, theres nothing really wrong with em and Some people even like em.

Kev
DISCLAIMER:
Application of the procedures described herein is at your own risk. Myself or other Visordown members have submitted this information in good faith, without charge but neither myself, members nor admin will be held responsible for any injury, damage or loss whosoever caused resulting from your use of these procedures or Information. This infomation is not intended to replace your repair manuals, your common sense, or your responsibility for your choices and actions.

http://www.eddnet.com/kev
Jay P
03/10/2002 at 22:59
KFZ wrote

weve had the Honda VF debate loads of times.

Basically all 750's should be used as shipping anchors, the 400 and 500 are nice little bikes with a good turn of speed, nippy handling, but a bit of a pig to work on. The 1100/1000 are big barges and pretty irelevent when CBR's and big Kaws are cheaper and better, theres nothing really wrong with em and Some people even like em.

Kev


The 500s aren't that bad to work on. The clutch is brutal if you fuck up a downshift though. We never got the 400.

You see tons of 750s around with 60k+ KM. Complete shite

Me an my dad can get the carbs on a VF500 in about 10 minutes. Took us longer to get them back onto a fucking GS550.
spiderbyte
04/10/2002 at 16:44
Thanks for the replies, that helps...

--Spiderbyte
KFZ
04/10/2002 at 20:12
Jay P wrote



The 500s aren't that bad to work on. The clutch is brutal if you fuck up a downshift though. We never got the 400.

You see tons of 750s around with 60k+ KM. Complete shite

Me an my dad can get the carbs on a VF500 in about 10 minutes. Took us longer to get them back onto a fucking GS550.


Youre right there not bad, the a bloody prick of a thing. Why on earth did honda bury the rocker cover under the electics.

Kev
DISCLAIMER:
Application of the procedures described herein is at your own risk. Myself or other Visordown members have submitted this information in good faith, without charge but neither myself, members nor admin will be held responsible for any injury, damage or loss whosoever caused resulting from your use of these procedures or Information. This infomation is not intended to replace your repair manuals, your common sense, or your responsibility for your choices and actions.

http://www.eddnet.com/kev
Marty 600
07/10/2002 at 15:55
Hiya all,

"an 86 Honda VF500, mint condition"

Wasn't there a problem with the Cam Shafts on the original VF500s?

A Global factory recall was done - as great expense to honda?


From what I read:
1. VF500 need to be warmed up properly 1st - then used as a normal sportsbikes

2. Sports bikes are supposed to be revved - just keep the oil &Filters in good nick.
stoo
07/10/2002 at 16:15
Best of luck with the VF - I've got a similar age VF500 sat in my parents garage.

I doubt I'll ever have time to get her back on the road, so if your engine does blow, give us a shout if you need another. Not quite ready to break it yet.... unless it'd get some one else back on the road.
Dirtybill
09/10/2002 at 17:40
The 500s did NOT have camshaft problems. A few early ones had crankshaft problems which was repaired free by Honda.

The 750 had camshaft problems. There is a company in the US that markets a kit which supplies more oil to the cams than the stocker did.
Jay P
11/10/2002 at 03:45
Dirtybill wrote

The 500s did NOT have camshaft problems. A few early ones had crankshaft problems which was repaired free by Honda.

The 750 had camshaft problems. There is a company in the US that markets a kit which supplies more oil to the cams than the stocker did.


Tierny Holly (something like that) did, but stopped a while ago, another company www.v4honda.com/ produces an equivalent design. They work well apparently, one problem though, they aren't retroactive and a good condition 750 V4 is rare and fairly pricy with low KMs (2 grand+ here.)

Either way, if you buy one as a hack www.math.uwaterloo.ca/~rblander/V4_JL_oil.txt It is a DIY oil mod, it doesn't provide filtered oil to the cams so if the engine shits itself the cams get wrecked. On an old V4, if the engine shits itself you'd replace the whole thing anyway so it's no big deal.

The early VF500s had the wrong bearings in the engine in some cases I think.
Crazy Dude
12/10/2002 at 15:34
If you want to use your engine at high revs constantly, you could also use fully synth oil instead of semi synth, this is of course you engine has bedded in and has had the 1st MAJOR service done, usually around 4000 miles. This will afford the engine better protection. (wel it should anyway, otherwise why do racers use fully synth? )
Life's a bitch, then you die.

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