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Discussion Starter #1 (Edited)
Ok, Did I f this up or is this what happens.

Installed EPI Trail kit . Weights,springs,belt.

Torqued primary to 90ft/pnds, used blue loctite.

Electric rattle gun on secondary bolt, used blue loctite .

Used original secondary bolt.

Machine had done around 11hrs.

About 3 hrs of full on trail riding , nothing unusual,slowed to a halt, went to take off ,nothing.

On inspection,bolt simply backed out, not tight enough?

Covers fkd,helix is fkd,belts fkd,not sure whether to replace the bushings inside the sheeves.

What to do on replacement?

I've heard so many different ways, don't know what procedure to use?

This is how it was under the cover

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Discussion Starter #3
Yep, I did remove secondary bolt to fit EPI spring and belt.


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Ok, Did I f this up or is this what happens.

Installed EPI Trail kit . Weights,springs,belt.

Torqued primary to 90ft/pnds, used blue loctite.

Electric rattle gun on secondary bolt, used blue loctite .

Used original secondary bolt.

Machine had done around 11hrs.

About 3 hrs of full on trail riding , nothing unusual,slowed to a halt, went to take off ,nothing.

On inspection,bolt simply backed out, not tight enough?

Covers fkd,helix is fkd,belts fkd,not sure whether to replace the bushings inside the sheeves.

What to do on replacement?

I've heard so many different ways, don't know what procedure to use?

This is how it was under the cover

Sent from my iPad using Tapatalk HD
Did you torque her back down to 75ft/lbs? (I think that is what the factory torque settings for the secondary is). Your basic impact can't get to 75 ft/lbs. I'm betting that's what happened.


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Proper torque with thread locker and let set for 5 or 6 hours before moving? Guessing torque was not set and most will tell you not to use the bolt over again.
 

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Discussion Starter #6
Ok cool thx guys, yep sounds like your right, second hand bolt and guesstimate torquing. Expensive mistake.
I found it hard to lock the secondary up to tension the bolt,hence rattle gun.
Suppose I should buy the holding tool.$$$.


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Whined a tie strap around the pulley several times and hook it to frame and it will hold it.
 
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You can probably save that cover and upgrade the cooling to the clutch at the same time by calling Adam at Airdam and getting the bolt on flange adapter they use when installing the STM secondary clutch. and venting it up to a Fan to.
 

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they say those bolts are a 1 time use
 

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Discussion Starter #11
Thx for the advice warlock, good call !

I'll get a new secondary bolt to be sure.

I will upgrade to QSC/STM later in the year,will just have to learn to dial it in myself since there's no help in Australia .

Glad I have this forum for help , I'll be competing in the local short course event in March and I need this machine to hold together,especially since it has sponsorship by a popo dealer. Track is sandy/ grassy,mostly high speed ,not sure whether to race in 4x4 or 2x4.
Test and tune on the track in 3 weeks so I'll try both I guess.

Cheers.


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The secondary bolt is a one time use bolt. Is your primary not the stud type? Also the secondary and primary both are a "torque, turn" method. I don't remember the exact spec but you torque it then turn them an additional 180 degrees with loctite of course
 

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Discussion Starter #13
No, my primary is not stud type,which concerns me,I hear there is the recall on it,
I'd like to just install one myself ,Are people still getting primary slip with the stud?


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No, my primary is not stud type,which concerns me,I hear there is the recall on it,
I'd like to just install one myself ,Are people still getting primary slip with the stud?


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Do the recall, and get the stud. Speaking from experience here unfortunately.
 

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Discussion Starter #16
If I go QSC , is a stud provided in the kit?


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Thx for the advice warlock, good call !

I'll get a new secondary bolt to be sure.

I will upgrade to QSC/STM later in the year,will just have to learn to dial it in myself since there's no help in Australia .

Glad I have this forum for help , I'll be competing in the local short course event in March and I need this machine to hold together,especially since it has sponsorship by a popo dealer. Track is sandy/ grassy,mostly high speed ,not sure whether to race in 4x4 or 2x4.
Test and tune on the track in 3 weeks so I'll try both I guess.

Cheers.


I would say 4wd sounds like it will be faster.
 

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If I go QSC , is a stud provided in the kit?


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No it is not needed but it does come with its own bolt
 

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Discussion Starter #20
Ok,noted.
Who do you recommend to get the QSC/STM from?
Do they come setup pretty close to the mark,if correct info of mods are given?


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