Reducing Throttle Effort on Carb'd 2011 600 Ski-Doo Grand Touring Sport

[bobsled]

Has anyone tried to reduce the throttle pull effort on any of the new carb. version 600cc sleds? I just picked up a 2011 600 Ski-Doo Grand Touring Sport for my wife. The throttle effort with this Carb'd model is quite high in comparison to an E-Tech, ACE, or just about anything else Ski-Doo is currently selling with Fuel Injection. I am wondering if I can take 1 wrap off the return spring on the throttle shaft and still have the throttle return properly. If anyone has done this or something else that works well, I would love to hear it.

Don't bother with the popular responses such as, Should have gotten an E-Tech, Why didn't you pick up a GSX LE, ect.....

 

[fredster]

You can reduce the tension on the throttle return spring, or perhaps substitute a lighter spring, as long as you maintain the carbs and cables so that nothing binds up or sticks......also need to make sure the throttle interlock is functioning so that releasing the throttle results in the power being cut.....as long as you do this, it should be fine...

 

[saber]

Maybe try one of those throttle hand wraps you wear under your glove.

Personally I would rather try than than to put a weaker spring on the carb. I am sure Ski Doo has picked that return spring for a reason. Last thing you want would be to put a weaker spring on there and find that it does not close the throttle for some reason while you are riding.

Saber

 

[mre]

My wife had the same problem with our carb. sled, in the back of most snowmobile magazine I found a lever that you can add to throttle. It took me about 10 minutes to install. I left the factory throttle in place and added the hand pull style throttle. It works well is does limit the throttle to about 80% which is fine for the trails. My wife would switch back in forth between the two levers.

 

[nitrodoo]

It is not recomended to cut the spring BUT my wife had a grand touring 670 it had way to much tension for her we would stop after a long ride and she would be in tears so a freind of mine that raced flat track bikes cut one coil off of spring said they use to do that to their bikes she rode it for four more years never had any problem with throttle or carbs. She never complained of hand problems after that hope this helps.

 

[bobsled]

I am suppose to pick up the sled this weekend. I am going to take a look at the throttle return spring and make a determination of what kind of tension is on it and if I can just reduce it slightly. I had thought about cutting one coil out of it. It looks like from the parts diagram pictures, there are 10 plus coils. Taking 1 coil out may reduce it by perhaps 1/10th. One other thought I also had was to potentially look at reducing the oil pump return spring pressure. If that did not return properly, all you would have is too much oil. I also just ordered a throttle device from shadetree that sounds similiar to what ARE's response was. If I find something that works well, I will post what I have done.