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Rev limiter

Started by Atesz792, March 29, 2014, 04:35:25 PM

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Atesz792

Hey all!
So this may be a noob question, but it concerns me, so here it comes:
Will the GS literally limit the revs at 11K, or is that a redline I should keep an eye on? I'm asking this because let's say you're overtaking in 3rd gear at WOT, you have enough other things to pay attention to apart from the tach...
So, can I rely on the electronics, or will my engine not like me if I don't pay attention for a few critical seconds?
'04 GS500F with 50k miles updated July 2022.
Ride it like a 2 stroke:
1: Rev high
2: Add oil
3: Repeat

Watevaman

 We (at least older bikes, but I think it's all) don't have an actual rev limiter. Your bike won't like you if you don't watch what you're doing.

However, you shouldn't need to go WOT to overtake, especially if you were cruising in 3rd. I've only hit redline like twice in all of my extremely aggressive times out.
Bike: 1990 GS500E (Vance & Hines full system, K&N Lunchbox, BM Clubmaster bars, Katana rear shock, 0.90 Sonic Springs), 2000 ZRX1100 (Kerker slip-on)
Location: Virginia

burning1

You'll start hearing valve float and other noises if you over-rev the engine. Power drops off towards redline, so it doesn't make sense to get too close.

You can get an after-market rev limiter; the only one I pay attention to is the 2-stage race limiters due to the launch control feature. But I wouldn't be surprised if there was a cheap single stage limiter that could be added.

With that said, hacking on the wiring can create more problems than it solves. It wouldn't stress the issue.

Atesz792

Thank you guys, so it was a good call from me to avoid the redline like the plague. Will continue doing so :)
I don't really know how valve float sounds like, but I guess that's a good thing. And yeah, I wouldn't want to mess with the wiring, either.
BTW the idea was to make overtaking quicker (any time spent in the oncoming lane should be reduced, I think), and not cruising in 3rd and going to WOT :) But more like when cruising in 6th, I generally drop two gears to overtake. That usually leaves enough space to not even get close to 10k on the tach. And I thought about dropping down to 3rd, but now I think I won't do that.
'04 GS500F with 50k miles updated July 2022.
Ride it like a 2 stroke:
1: Rev high
2: Add oil
3: Repeat

burning1

> I don't really know how valve float sounds like, but I guess that's a good thing. And yeah, I wouldn't want to mess with the wiring, either.

When you hear it, your first reaction is going to be "That doesn't sound good."

Atesz792

Quote from: burning1 on March 29, 2014, 06:12:32 PM
> I don't really know how valve float sounds like, but I guess that's a good thing. And yeah, I wouldn't want to mess with the wiring, either.

When you hear it, your first reaction is going to be "That doesn't sound good."
Thanks :icon_mrgreen:
'04 GS500F with 50k miles updated July 2022.
Ride it like a 2 stroke:
1: Rev high
2: Add oil
3: Repeat

Crasm

Yea my 05  doesnt have a limiter and i must admit id put it through the redline and out the other end on a couple of occasions during hard acceleration . . . You will defo no when you do it
The noise is not good.

Thinks its the only bike ive owned that doesnt have a limiter  :confused:

Suzuki Stevo

Learning when to stop winding you're motor is just as important as knowing how to modulate/use your brakes. I'm not saying this to piss in your Cheerio's, technology is great and I have nothing against Rev Limiters or ABS on bikes, I'm saying this because the two skills I mentioned are a fundamental skills all Newbs should learn to be a better all around rider.   
I Ride: at a speed that allows me to ride again tomorrow AN400K7, 2016 TW200, Boulevard M50, 2018 Indian Scout, 2018 Indian Chieftain Classic

burning1

Most bikes fall out of the power and well before they hit the rev limiter. The limiter is really just there to prevent engine damage.

Whenever someone complains about traction control or abs on a modern bike, I like to point out that they serve exactly the same purpose as a rev limiter.

The_Paragon

Quote from: burning1 on March 30, 2014, 09:00:31 PM
Most bikes fall out of the power and well before they hit the rev limiter. The limiter is really just there to prevent engine damage.

Yeah it seems like my Gf's bone stock GS runs out of its best power band well before redline. Might as well just grab a gear and get back into the power if youre up close to the redline.

My Fz6 on the other hand.. pulls hard all the way right up to the revlimiter. (And yes its fun!)
NEVER EVER EVER use an aftermarket valve shim!!
'81 Honda CB 650
'86 Yamaha FZ600
'09 Yamaha FZ6
'09 Yamaha FZ6R (Owned by my Better Half)
'06 Zuki GS500f- Sold

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