Baller DkLkSkr Posted April 28, 2015 Baller Share Posted April 28, 2015 I have to replace my throttle return spring on my '05 monsoon per Perfect Pass in hopes that this helps with my surging issue. Any suggestions on where to buy a replacement? Is there something technical that I should concerned about when replacing? Thanks! Link to comment Share on other sites More sharing options...
Baller_ DW Posted April 28, 2015 Baller_ Share Posted April 28, 2015 I am assuming they are thinking to increase spring tension? I would get a simple fish scale and measure your existing spring and shop at any auto parts store or hardware store for a throttle return spring and make sure using the fish scale that it is stronger (or at least different) than the one you are replacing. All you need is a tape measure, vise and fish scale to get the spring stiffness. Link to comment Share on other sites More sharing options...
Baller GOODESkier Posted April 29, 2015 Baller Share Posted April 29, 2015 Or add a spring to increase return tension. It does matter on allowing the stepper motor to control the speed efficiently. Link to comment Share on other sites More sharing options...
Baller eleeski Posted April 30, 2015 Baller Share Posted April 30, 2015 Doesn't PP offer A, B or C springs? Just kidding. Really! It doesn't matter... I always found that a longer spring was better. I need proper throttle response at both trick speeds and slalom speeds. Very different throttle positions. A long spring allows good return tension at trick speeds without adding too much tension at slalom speeds. Mounting a longer spring can be a challenge. Autozone has spring assortments cheap that you should be able to get to work. I've used light bungee (Radar lace bungee?) as a return spring. It worked well for a while but the engine heat wore it out quickly. Steal some from a buoy to see if it helps the surging. Replace with safety wire and a long metal spring (or two). Keep us posted if it helps. Eric Link to comment Share on other sites More sharing options...
kstateskier Posted April 30, 2015 Share Posted April 30, 2015 What is your PP NN setting? Link to comment Share on other sites More sharing options...
Baller DkLkSkr Posted May 15, 2015 Author Baller Share Posted May 15, 2015 Thanks guys. I will see what I can do. As far as NN setting this would be the default setting as I have not changed it. Link to comment Share on other sites More sharing options...
skibumm Posted May 15, 2015 Share Posted May 15, 2015 Quick question on the surging. I ask because I used to think it was my return spring also. What I found out is that mine would surge only when I went back to PU a fallen skier. I had to learn to disengage the system by taking the throttle all the way back into neutral. Otherwise it would surge trying to get back up to speed or hit the RPM target. Link to comment Share on other sites More sharing options...
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