Yamforlife
Veteran
Hey Guys need some help. My 2007 Apex came with a 4.5 Rate kgf/mm spring. I am 6'2" 220 lbs and i am bottoming the crap out of this sled. The dealer here gave me a list of springs i could put on to replace the stock spring. Same rating (KGF) 6.5, 3.0, 8.0,5.0,7.0, in that order on the sheet they gave me. Not sure what these ratings are and what would work the best for me - I am a fairly aggressive driver.
Thanks - any help would be appreciated.
Thanks - any help would be appreciated.
Honk
TY 4 Stroke Master
I have a 07 too! Was told mine came with a 4.9 went one higher to a 5.5lb I'm 205 so maybe one higher would do! Pioneer did mine
Yamforlife
Veteran
Any other input here ??- the dealer does not seem to know squat.
MikeAttakNYC
Expert
I'm 250 all geared up I ride aggressivly and I'm pretty sure I had the 6.5 installed on mine and now it only bottoms on real crater sized moguls.
jclee71
Extreme
im same size as u, I have the Mono EC on my GT, went with 6.5 with revalve from pioneer, i have it dialed in where I love it, the 6.1 is probably another good option. Good Luck!
Honk
TY 4 Stroke Master
Make sure to revavle with the heavier spring. Yoy will love it once its right on!
Yamforlife
Veteran
Thanks Guys for your input!!!!! 
apex55
TY 4 Stroke Junkie
I'm 245 and went to the larger 6.5 and only bottom out in the moguls also. With this spring it rides thru the rough stuff just fine.
fastjeffy
Newbie
Call Frank at Shocktec and he will guide you in the right direction. He did my revalve on my mono and suggested i stay with the 5.o spring and it only bottoms on really big bumps and eats the stutters really well. I weigh 200 btw.
Yamforlife
Veteran
Thanks Guys !!!!
dave_dj1
Pro
I'm probably close to 250 with gear and i run the stock spring, I did however move the clip up, i just went by the chart that came with the sled and now I only bottom occasionaly.
