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General Category >> The Cafe >> Quick turn throttle?
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Message started by cheapnewb24 on 12/14/15 at 14:46:59

Title: Quick turn throttle?
Post by cheapnewb24 on 12/14/15 at 14:46:59

Has anyone tried one of the quick turn throttle mods on the Savage? As tame as that engine is, it probably wouldn't hurt much. Would it increase wrist fatigue on long rides?

By the way, has anyone here attempted to make a homemade throttle tube? I've had some ideas.

Title: Re: Quick turn throttle?
Post by justin_o_guy2 on 12/14/15 at 15:41:07

How many miles have you ridden it?
How much time, in traffic, putting along in second?
You know those tiny inputs to adjust speed?
Imagine that tiny pressure change affecting the throttle twice as much.

Title: Re: Quick turn throttle?
Post by cheapnewb24 on 12/14/15 at 15:56:56

I've ridden a little over 1K miles.

It's a rather tame bike anyway, and one could cam it so that low throttle conditions won't be so sensitive. But, hey, what do I know?

Title: Re: Quick turn throttle?
Post by justin_o_guy2 on 12/14/15 at 18:19:34

A progressive approach would be more intelligent, imo, yes.
Slapping the gas open isn't the answer to
Best acceleration.
I think you're digging for something to piddle with.

Title: Re: Quick turn throttle?
Post by gizzo on 12/14/15 at 18:33:49

3C373A3E2F313A283D6D6B5F0 wrote:

, and one could cam it so that low throttle conditions won't be so sensitive.

But why would you bother? That's a lot of hassle for no reason.

Title: Re: Quick turn throttle?
Post by cheapnewb24 on 12/14/15 at 21:49:27

So you can reach full throttle without having to wind the grip to China. ;D

Title: Re: Quick turn throttle?
Post by Serowbot on 12/14/15 at 22:36:36

My Sporty is pretty short throw...
I though there was a problem with the FI mapping... :-?...
Slightest ripple in the road, jerks the bike forward...

Title: Re: Quick turn throttle?
Post by gizzo on 12/15/15 at 03:19:21

43484541504E4557421214200 wrote:

So you can reach full throttle without having to wind the grip to China. ;D

Y'see, I don't have that problem with mine. My Ducati though...Like Serow's Sporty, any little bump makes that thing jerk back and forth a bit. Fuel injection and a short throw throttle. I'm not into it. But whatever makes you feel good I guess..

Title: Re: Quick turn throttle?
Post by Dave on 12/15/15 at 03:41:38

Quick turn throttles are used on race bikes, and they work especially well on the bikes under 250cc, where you use full throttle a lot. Quick turn throttles are not great on road bikes, and especially for you on that muddy gravel road you ride on.

I have a different throttle control on my Cafe' bike, and it has an option for a "fast" or "enduro" setting on the throttle tube. The enduro setting is a bit slower, and even then the throttle feels like it is either "ON" or "OFF" when riding in the lower gears. It is not easy to hold a steady speed at low speeds.......once you get up to cruising speeds and the throttle is opened up farther, it works fine.

The Savage engine and carb does not respond well to fast changes in throttle settings. "Cracking" the throttle wide open in a hurry opens the butterfly and stops all fuel flow from the pilot circuit, and the suddenly opened throttle causes the vacuum in the intake to drop drastically....the result is that the vacuum operated slide drops fully down to restore the vacuum - but in doing so it also drops the needle jet and stops fuel flow out of the jet needle and main jet. You will get smoother and faster acceleration by rolling the throttle on and not throwing the carb into a situation that causes low engine vacuum in the intake. Closing the throttle too quickly also throws the carb into a "lean" condition, and is the reason the bike pops and farts out the exhaust if you close the throttle completely while you are slowing down.

Just go buy a stock plastic throttle tube, put it on the bike with whatever grips you decide to buy.....and ride the darn thing and get some riding experience and work on becoming an experienced rider. Fancy bar ends won't work with the stock handlebars as they have metal weights welded into the ends of the handlebars to help cut down on vibration....there is no room to put in anything other than the stock plastic bar ends. If you fall down....chances are that whatever grips you have on the bars will be damaged.....they are soft and not very durable when they hit pavement.