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  #1  
Old 01-11-2015, 06:02 PM
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Enticer 300 clutch engagement

Just picked up a 1980 (I think serial #8k0-010704 could someone please confirm) enticer 300 for my kids. The clutches seem to engage at too high of rpm. The track always spins when it engages. I have taken the clutch apart and cleaned it the clutch weight have an m on them and the spring is black with a white or silver stripe. I'm just wondering if this is the stock setup for this machine? Can someone tell me what the stock clutch is on this machine and stock weight and spring is? Can I get a spring that would allow for softer or lower rpm engagement? I would also be willing to buy and install a aftermarket clutch that would work on this machine just not sure which one to get? I'm running premix gas so i don't need one with the oil pump drive on it. Any suggestions clutch manufacturer and spring weight combo? Been doing some research on these machines but the info is not that easy to come by lol. Any suggestion appreciated. Thanks
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Old 01-11-2015, 07:37 PM
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Is the belt worn really narrow causing it to engage really hard? Although that may cause a loss of low end power if it is low in the secondary???
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Old 01-11-2015, 08:33 PM
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I have a new one and there isn't much difference between the two. Any words of wisdom on how to change the belt on this machine?
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Old 01-11-2015, 10:23 PM
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Twist and push secondary inner, If I recall. I will look for the primary info u need.
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Old 01-11-2015, 10:31 PM
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Thanks Sifton!


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Old 01-11-2015, 10:50 PM
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Ok, looked for the primary info- didn't find it. I would lift the rear and with the hood open, run it and see what the primary is doing as well as secondary. If you need any parts, I have quite a few for 300 and 340's
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Old 01-11-2015, 11:32 PM
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Ok thanks for looking anyway. With the sled off the ground it does the same thing. How was your experience with the 300? Did it engage smoothly? Thanks for the heads up i may need some parts and I'm not very far from you.


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Old 01-12-2015, 01:40 PM
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From what I recall, they engaged smooth. When on a stand and you hit throttle, does the engine rev then primary slams closed?
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Old 01-14-2015, 08:35 PM
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yes the engine revs then the clutch slams close.
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Old 01-15-2015, 12:19 AM
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You pulled both apart and cleaned ?
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Old 01-15-2015, 02:26 PM
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Kind of long shot, but there was an old tuners trick used to raise engagement by notching the weights right where they initially contact the rollers to raise engagement without replacing any parts so that it technically remained stock. But what can also happen is if the sled spends most of it's time at very slow speeds (kids) and never shifts much beyond engagement is the weights will wear right at that same spot and cause the condition you're describing. Were the faces of the weights smooth with no indentations when you cleaned them? None of them are seized in the disengaged position? The clutch will operate with a seized weight but will have much less clamping force on the primary spring so engagement will be higher RPM and more abrupt. When working right those clutches were buttery smooth with no harsh engagement.
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Old 01-15-2015, 03:07 PM
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The weights are not really smooth. It has 3 or 4 slight indentation on it. I'm wondering if this is not the stock clutch. The clutch that I have, the weights can't move once the clutch is together. The only thing that moves are the rollers and the arms they at attached to.


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Old 01-15-2015, 03:37 PM
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engagement RPM? should be about 3200 rpm
Belt width? I believe min. acceptable is 26mm

here is a scan of a 1980 enticer user manual with spec's and maintenance which should help.
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File Type: pdf boakley_1980 Enticer.pdf (774.1 KB, 9 views)
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Old 01-15-2015, 03:39 PM
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ooppss last one is good but maybe this is better as it covers all 1980 Yamaha's including service procedures.
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File Type: pdf boakley_Yamaha 1980 tech manual.pdf (1.50 MB, 13 views)
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