Broken Down Wont start.

It was the fuel pump fuse!!! shes alive!!! never have i been more happy to hear that thing whine lol. and how courteous of suzi to grace me with 2 spares :P.

As for the limiter i often hit it when wheelieing etc and never had any probs. I have seen a mk2 golf gti drained of oil...sand poured in....bouncing of the rev limiter...took 15 mins to blow. I think the sv could do it all day :P

Thanks for the help and sugestions guys!

Originally Posted by SVMAT

. I have seen a mk2 golf gti drained of oil...sand poured in....bouncing of the rev limiter...took 15 mins to blow. I think the sv could do it all day :P

Thanks for the help and sugestions guys!

Was that some sort of test to destruction, lol ran on sand impressive.

Dont thank neone on here, I'd say you solved that by your self.

[mikerj]

Originally Posted by Owenski

Just cos the engine is limited what makes u think the other mechanical parts are built to the engines full capabilities rather than the limiters?

Because that's how it's designed. Suzuki will know what the safe limit of the engine is given the design life etc. and the limiter will be set to that value. They are hardly going to design an engine that's on the edge of grenading itself at 10,000RPM and then set the limiter to 11k.

Originally Posted by Owenski

Pretty sure if I challenged anyone to; stand next to thier bike while I stood next to mine holding my bike at 6000rpm and them bouncing thiers off the limiter to see who's went pop first, they'd tell me to get F***ed! Fair enough thats exagerating the terms but it explains the thinking behind my reasoning.

Flawed thinking however. He wasn't in neutral holding it against the limiter, he was accelerating in second and hit the limiter. It happens, that's why the limiter is there and the occasional trip to the red line isn't going to hurt it.

Originally Posted by mikerj

Because that's how it's designed. Suzuki will know what the safe limit of the engine is given the design life etc. and the limiter will be set to that value. They are hardly going to design an engine that's on the edge of grenading itself at 10,000RPM and then set the limiter to 11k.

You're interpriting my comment the wrong way around, lol you basically just agreed with me.
In exagerated terms I was saying:
If the engine explodes a 15000rpm,
So its limiited to 12000rpm, = engine safe from Kaboom!
Do you think the rest of the parts, injectors, pumps, various valves connectors etc will be designed to withstand the 15000 or the 12000rpm?
You know as well as I do they'll be to the 12000 everytime, therefore when you're at the engines limiter - yes you're safe from blowing yourself up but you're likely to be at breaking point for many other of the odds and sods essential in making the bike run.

Originally Posted by mikerj

Flawed thinking however. He wasn't in neutral holding it against the limiter, he was accelerating in second and hit the limiter. It happens, that's why the limiter is there and the occasional trip to the red line isn't going to hurt it.

Occasional trip, hurt it. Maybe not - but you're missing the obvious
On this occastion he took it to the limiter and it went pop, maybe a fluke maybe not eitherway Im not about the change my habbits to include regular trips to the rev limiter and back.

[Dave20046]

Originally Posted by Owenski

lol, we know your history dave using the limiter as a warning to old ladies that they've upset you with their driving style.

That was a er isolated incident and to be honest my poxy horn wouldn't even be able to make a pensioner soil themselves...the revlimiter ,however, did the trick.

[mikerj]

Originally Posted by Owenski

If the engine explodes a 15000rpm,
So its limiited to 12000rpm, = engine safe from Kaboom!
Do you think the rest of the parts, injectors, pumps, various valves connectors etc will be designed to withstand the 15000 or the 12000rpm?
You know as well as I do they'll be to the 12000 everytime,

That's just silly, the engine as a unit will have a safe operating RPM, determined primarily by the valve train and bottom end fatigue strength. Injectors do not fail prematurely because you hit the rev limiter occasionally! Which connectors are likely to fail at high RPM? Which pumps?

All engine manufacturers spend thousands of hours longevity testing engines, they even run them continuously at the red line for hundreds of hours. It's in their own interests to make the engine reliable at all all engine speeds below the limiter purely to ensure minimal warranty work and to avoid giving themselves a bad reputation.

I'm not saying it's a good idea to hold an engine on the limiter continuously - it's not, but hitting the limiter occasionally is not going to significantly reduce it's life providing it's looked after.

Originally Posted by Dave20046

That was a er isolated incident and to be honest my poxy horn wouldn't even be able to make a pensioner soil themselves...the revlimiter ,however, did the trick.

The horn is a joke lol
its nice to know your aim is to make old ladies soil themselves nice.

Originally Posted by mikerj

I'm not saying it's a good idea to hold an engine on the limiter continuously - it's not, but hitting the limiter occasionally is not going to significantly reduce it's life providing it's looked after.

Thank you,

[yorkie_chris]

Originally Posted by Owenski

Do you think the rest of the parts, injectors, pumps, various valves connectors etc will be designed to withstand the 15000 or the 12000rpm?

Yes, they'll be absolutely fine.

On curvy, carbs don't care, fuel going through a hole doesn't wear it out. The electrics are solid state.

Spark plugs? Meh. They'd be more damaged by transients like gently opening the throttle to move from 30 to 40mph.


Bits to worry about are crank, rods, valvegear. Stress is quadratic to rpm so more revs will mean more fatigue on rods, rod bolts, crank parts etc.

In practice they're fine. SV engine is strong enough to do 3 tanks of fuel one after another with it held flat out turning nearly 10k rpm.

Any wear issues would likely not show up for far longer than anyone would be likely to keep the bike for.



By the way, if you are unlucky you only need to go OVER the limiter ONCE with an over exuberant downshift to cause valve bounce, rod failure or something to completely grenade the engine.

Originally Posted by yorkie_chris

SV engine is strong enough to do 3 tanks of fuel one after another with it held flat out turning nearly 10k rpm.

Sounds like there is a story beind this

[yorkie_chris]

Not really, just had to be somewhere in a bit of a hurry