noise coming from clutch only at take off(sometimes)

the person I bought the scooter from said he had a new drive belt installed at 15,000 miles,since I bought the scooter ,I get a small squeal once in a while on take off,then all is well,is there maybe some thing that he or who ever installed the belt forgot to grease/ // thank y6u joe manista lake havasu city,az

If you check some older posts you will find this topic discussed many times. It is usually caused by one of two things. Some times it is glazed shoes in the clutch drum or a small bearing in the clutch that needs to be lubricated. There is never any lubrication of the belt.
Howard

hi howard, regarding that noise sometimes coming from the clutch,you think that the shoes are glased, so that is not a big deal,i can keep ridind an wear off the glase as I ride,thanks joe

The noise is more annoying than serious. Try applying the left brake lever firmly and running the RPM up to 2,000-3,000 for 3 to 4 seconds should take care of the noise if it is the clutch shoes.
Howard

Just pulled both the trans all apart on our 'wings and deglazed shoes, cleaned and re-lubed bearings, cleaned clutch bell and all belt mating surfaces and scrubbed all the parts of the variator. What a difference! Buttery smooth and no noise. Feels better at high speed and backshifts beautifully. I may do this yearly from now on.

 cerve137 could you tell us how many miles since the last time the clutches were serviced? Are you running stock rollers or Dr Pulley sliders? Glad they're both running smoothly now.
I like when you can feel the benefits from servicing. Getting new tires, is another one where you can feel the improvement.

One has 18k and the other has 21k. Both have Dr pulley rollers. Clutches had never been serviced other than a good blow from the air hose. Feels better at all speeds. The lady even commented twice and she rarely feels difference(s) after mods or service.

cerve137 it sounds like every 15,000 miles would be a good service interval for a maintenance schedule.

I'd like to add to this topic because of a recent experience with clutch/belt squeal.

I've been getting a low tone, rubbing, squealing noise from the rear end on take off and slow maneuvering a short time after setting off. I assumed it was something 'warming up'. I've removed the clutch assembly and found that the shoes and the drum are black with.....grease? This is not the first time that this has happened.

It got me thinking that each time I remove the clutch assembly I have a habit it cleaning off the old grease and putting on new grease. I suspect that this is building up over time and grease is being squeezed inside the shaft and making it's way out into the clutch drum area, because of centrifugal force. I'm going to clean it up and put it back as it is without the greasing habit.

Just thought I would add this post in case anybody is trying to detect a noise which might 'not' be coming from the belt.

Another lesson learned 

only grease i ever put in the clutch in where the needle rollers are. and the only grease i ever use is white chain grease. it is designed to stick in place and it is white so it is more easy to spot in a cleaned up environment if it migrates close to the clutch (never happened)
once a year take the transmisssion appart , clean with compressed air and wipe with paper towel with some rubbing alcohol on it to get things nice. then check everything, spray a bit grease on the needle rollers and maybe a tuck inside a clutch pad where it is mounted to swing around if needed.

Do not forget to blow out the air filter from the transmission (Piaggio could not get rid of this filter fast enough and prefers the more amount of unfiltered air because of better cooling. (2006)

only grease i ever put in the clutch in where the needle rollers are.

Just use a little grease on that bearing. Noise from clutch shoes is a common problem and an issue with many scooters. Lite sanding of shoes and drum with some 320-400 sand paper will help but it always seems to come back.

Grease on clutch shoes drum not good.

Groan from rear clutch seems to be common on rubber band drive scooter----my first 2009 new SilverWing seemed to have it thruout its near 50,000 mile life with me.....fix=run engine up against brakes for 10 seconds or do-----problem would go away for awhile----I never bothered to take anything apart, except for belt changes every 15,000 miles or so-----second new leftover 2013, never had problem with its near 50,000 miles with me. Think my 4 Helix did now and then, but 3 of the 4 new did have rear clutch bearing problems, all fixed under warranty

jupp, because they are designed for a soft smooooth start. If you drive stick it is the same as slowly releasing the clutch. Comfortable, but takes its toll on the clutch.
I wrote a blogpost about this when I was experimenting with the different weights and numbers or rollers in the CVT.
With my 4 slider CVT setup this is a problem from the past. It can be still reproduced if I let the bike roll on very slow, especially up hill.

Very useful and interesting comments from everybody. Sepps idea of white chain grease seems logical too. I'll have it all back together on Monday ready for a short tour, despite the weather!

BTW, this is how the axle looks after sliding off the clutch assembly. I don't like the 'black' grease but it seems to be operating OK. The bearings on the assembly seem to be sound but I would like to replace them in a future project....which begs the question....how on earth do you replace the shaft outer bearing which fits inside the metal drive cover? I couldn't see a way of removing it, even with a special tool. Any ideas?