Srx clutch research completed

norwegian

norwegian

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Nov 5, 2004
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This is the ultimate trail set up for me:

Primary:
15,6mm rollers
HC red spring
5,2 grams in heel, 7-8 grams in tip (whatever you can fit in without the bolt head or nut touching the spider pockets)

Secondary:
Hauck red secondary@70 deg
Dalton 50/40 helix.

It's quick, AND it's fast. Did some trail riding this weekend and 100-110 on the straights no problem, will do 120++ on the river (speedo). This is in +5C weather, and it's jetted for -18c
 
Would this Hauck secondary spring be the same spring used in their 98 SRX 700 clutch kit I wonder?I bought one of these kits years ago for my 98 and it had primary shims for the spring,new bolts to replace the rivets ,a helix and a red spring.I've been wondering if there would be any kind of a setup I could use this spring in and it so happens that I use clickers now in my 98 with a 50/38 helix and a green spring.
 
If it is long and stiff, it probably is the same. With a 50/38, you will overrev some, I had 8650, and that was when jetted pig rich.
 
I found the same when trail clutching my 02, I liked the Apex 51/43 helix better then the bender 51/45 helix...

The steeper helix pulled hard but was almost too much for trail riding...lost a lot of that fun revvy throttle response....I think that with the 1.25 and transfer rods set for full transfer that I am loading the motor with traction, therefore my need for lighter clutching...the sled just grips and rips! A lot different then my buddy with stock rods and 1" shockwave track

Now that it's warmed up here, I changed the setup:

BWB primary spring 45-111
8dn-20's 4.5 each hole
apex 51/43 helix
Green secondary spring @70

I also used my airbox top with 5 holes in the top and swapped the Srx airbox shelve with the 3 huge holes for a SXR airbox shelve with the rectangular openings that line up with the holes...

I gained rpm so I had to remove the primary spring and install the BWB with the 111 finish rate

Am getting very close to having it dialed in to suit my riding style!




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Great it worked for you. I've never seen a srx set up with that low of a total-rate of the primary spring. You should really try heelclickers sometime if you get the opportunity. I forgot to mention that the backshift is the best I've ever experienced on any sled.
 
Am going to try them if I can find a used setup next year...I was over reving to 8600-8700 so Instead of adding more weight on the arms and slow the response I installed a spring with a lower total force...worked awesome!


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