How much float should there be on the Secondary Clutch - HCS Snowmobile Forums

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Old 01-13-2010, 10:22 AM   #1 (permalink)
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Was setting the offset last night, had to add 2 of the .030 shims to bring out the clutch. Then had to take away a couple of the smaller washers on the bolt. Didn't end up with much float on the secondary. How much should there be?
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Old 01-13-2010, 10:59 AM   #2 (permalink)
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Was setting the offset last night, had to add 2 of the .030 shims to bring out the clutch. Then had to take away a couple of the smaller washers on the bolt. Didn't end up with much float on the secondary. How much should there be?[/b]
Should be zero, O-ring takes up the difference. If you still have float with the O-ring you need to remove another washer from bolt.
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Old 01-13-2010, 11:04 AM   #3 (permalink)
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take out all the shims and let it float
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Old 01-13-2010, 11:06 AM   #4 (permalink)
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I have ZERO float on the secondary on my 04 F7. 8000 hard miles later and never had a belt problem. Only replaced them at 3000 miles or so just to be safe.
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Old 01-13-2010, 12:01 PM   #5 (permalink)
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I tossed the O-rings and removed a washer from the from and back.......R2R
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Old 01-13-2010, 12:17 PM   #6 (permalink)
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I tossed the O-rings and removed a washer from the from and back.......R2R[/b]
The O-ring was introduced to keep moisture out and grease in, no more seized on the shaft secondary's.
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Old 01-13-2010, 01:09 PM   #7 (permalink)
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if you put lithum greese on the shaft you won't have that problem , besides if it's floating,,how is it going to seize onto the shaft? R2R
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Old 01-13-2010, 02:40 PM   #8 (permalink)
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I took my secondary off a few months ago and, for various reasons, have only now gotten around to putting it together. I have three gold-colored washers. I am pretty sure that they came from, and can only go onto the shaft between the diamond drive case and the clutch. Can anyone confirm that is the location? That is the only place to take out any float, right? I can't see where anything else sets the location of the secondary clutch. The o-ring and washers that are on the plastic belt adjuster dont set the locatoin of the entire secondary, only the location of the sheaves relative to each other.

Secondly, I am thinking of leaving off the washers, or at least one of them and introduce float. I don't see any downside to it and the Rev XP folks are spending $500 for machining to get a floating secondary. Would flosting an F7 clutch cause problems? I think that the belt tension will always keep the secondary where it wants to be and cant think of a downside, but CAT put them there for a reason........any opinions would be appreciated.
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Old 01-13-2010, 02:56 PM   #9 (permalink)
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I took out the shims behind the sec on the shaft and left the Oring added 1 washer to the stack on the bolt and it has no float but I think the Orings will squish under presure and allow some "float". I bought a used zr600 way back and when went to take off the sec it was siezed on NOTHING worked to get it off even welding V large nuts to the clutch shaft and impacting in a bolt. it was a big pain in the...... I dont know how they sieze on but it happens. the old sec were made of sh!t metal but I still left in the Orings it looked like a good idea. IMO they will squish
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Old 01-13-2010, 03:01 PM   #10 (permalink)
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let it float , keeps belt at best angle , giving better life & better transfer of power . Clean & grease few times a year & it wont rust onto the jack shaft .
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