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Post by BeerAday on Mar 13, 2007 15:24:10 GMT -5
Guys I just need some help for I bought this used and am not wunder warrenty. According to some of the other posts it may be a problem with my clutch or my valves. Please take a min and look at my video and let me know what you think. Also there is a fair amount of dust in the area? Belt dust? How clean does that need to be. Thank you in advance for any help! P.S. My name is slow and in low cause I am into 4 wheelin and that is my user name on the other sites, trust me I am anything but slow on my ruckus.     |
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Post by slowandinlow1 on Mar 13, 2007 15:35:52 GMT -5
I forgot to mention, as the video shows it only makes that sound when it is at idle or low RPMs. When I rev it the sound disappears like hoduni. That magically apperars again when at idle.
Thanks again
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Post by Dandy Dan on Mar 13, 2007 15:55:34 GMT -5
That is a horrible sound....it shouldn't have anything to do with the belt dust though....that's normal so any Ruckus with a few miles on it looks like that. Yours doesn't actually look that bad.
Regarding the sound...it doesn't sound like your valves...it's too fast and too much of a 'grinding' noise instead of just a tapping. I've been damaging my Ruckus for 3 years and I've never heard that noise before. It sounds like it's probably coming from somewhere between the engine and the rear wheel instead of in the engine. It might be something in your rear clutch or final drive gears.
A good thing to do would be to remove the variator and drive belt and then fire it back up. This disconnects your engine so you know if it's coming from the engine or elsewhere. Just be careful though because they'll be no load on your engine so the revs will steadily rise so you can only run it for 3-4 seconds and then you'll have to shut it off so you're not revving the balls out of it.
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Post by Dandy Dan on Mar 13, 2007 15:56:34 GMT -5
Also,  To bad it's on a such a down note. |
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Post by BeerAday on Mar 13, 2007 19:28:46 GMT -5
Thanks dude. I will try that. Let you know how it comes out. Let me know if there is anything that I can do for you. Check out my other toy.  |
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Post by chanito on Mar 13, 2007 21:42:40 GMT -5
 iT ONLY DOES IT WHEN THE VARIATOR IS AT REST, my guess would be the little rubber insulators inside the variator. I would take the variator apart and clean it, check the rubber insulator that are on the little grooves on the roller ramp, whose job is to prevent noises such as this. And super nice second ride  and last but not least
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Post by BeerAday on Mar 14, 2007 0:16:19 GMT -5
So glad that both of you posted for me! Thank you thank you. You both seem to be the men when it comes to tech info. I will get to this ASAP. Just having to help my girlfriend with some of her things, so can't get to it for a couple of days. But will make sure that I post my results for anyone else that is having this problem.
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Post by chanito on Mar 14, 2007 6:02:32 GMT -5
Glad to help, and please post your findings. And helring the girlfriend always gives the best rewards 
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Post by Dandy Dan on Mar 14, 2007 10:08:44 GMT -5
I've been thinking a lot about this sound...trying to pin point it, and the only sound that I can think of that's similar was the time I had my variator on loose (ie. the nut shown in your 2nd picture wasn't tight). This caused the variator to 'rock' or 'wobble' on it's shaft at idle but under load it would go away instantly like your sound does (perhaps because when a load is added it can't rock as easily)....anyways, I'd say your problem is likely a loose variator EXCEPT, your nut looks like it's threaded onto the shaft the right amount in picture 2 so that's giving me doubts about this theory.
Anyways, here's what I'd do:
1) - Grab the outer variator plate (shown in pic 2) and try to wobble it back and forth. It should be rock solid. If it wobbles then that's your problem so just tighten the nut solidly.
2) If the plate is solid then remove the nut holding on the variator. As you disassemble your variator, compared it to the 'variator install' thread in the 'how-to' section of this site (it's a sticky thread) to see if anything is wrong. If something is wrong, it would likely be the weights or sliders at back as Chanito mentioned.
3) With your variator removed, first up the Ruckus but be careful because there is no load on the engine and so you don't want it revving high (because it's hard on the engine and because you won't hear your sound since your sound only happens at low RPMs). To control the engine RPMs, flick the kill switch when your revs start to climb and then flip it back to normal before your engine stops completely.
4) If you make it this far and haven't found the problem you should atleast know if it's an engine problem or a problem with the rear clutch based upon whether the problem existed with the drivebelt disconnected. Then come back here and post an update and we'll go from there.
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mrgreg1299
Ruckster
Just call me the OLD GUY !
Posts: 206
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Post by mrgreg1299 on Mar 25, 2007 20:30:36 GMT -5
 Wow, That is a sound I hope I never hear again.  I agree with DD and Chanito about the Variator. Especially about the low RPM.  It definetly sounds like something is loose. Chanito and DD really know their Rucks.  If they can't help you NOBODY can. . I think that you ought to blow out all that dust while everything is open though.  I love that you had enough smarts to post the  and the Video with sound. Smart move. Welcome my friend I'm looking forward to finding out what the problem is!
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JOEJOE
n00b Ruckster
Posts: 26
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Post by JOEJOE on Mar 26, 2007 6:06:45 GMT -5
:-/THAT BLACK GUNK ISNT BELT DUST (MOSTLY) ITS MOLYBDENEM PASTE WHICH IS USED TO LUBE THE KICKSTART MECH. ITS A GOOD THING CAUSE THE KICK S BINDS IF NOT PROPERLY LUBED.
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Post by chanito on Mar 26, 2007 19:45:46 GMT -5
Wow! JOE they really greased your kick start, mine is mostly rubber gunk from the belt  and i been there a lot of times and clean it regularly
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Post by BeerAday on May 2, 2007 14:15:12 GMT -5
So guys sorry this took to long to re post. So just frustrated with not having enough time to work on my ruckus I decieded to take it into the shop today. They called me back saying asing if I had done any modifications to the rollers. Since I did not buy the scooter brand new I didn't know. The mechanic told me that it looked like they had been some of the rollers had been replaced with aftermarket ones. He said that they should all be the same size and some were smaller than others. Well, they were wearing unevenly and were flating on one side causing that grinding sound. He also said that it was affecting the clutch, but I'm not really sure how.
I asked him to save all the parts, so when I get it back I will take pictures and post here for you guys to check out.
Pretty bumed I didn't have time to do it my self. Would have saved me $200 dollars that I could have used to buy some toys.
Thanks for all you help guys.
Joey
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Post by Dandy Dan on May 2, 2007 14:18:03 GMT -5
Well at least you've got a diagnosis of the problem now...it would have been worse if they didn't come up with anything. Likely, it's only the weights that will need replacement (toss in six 6g 16x13mm rollers). You may wanna replace the belt at the same time though if it's a high milage (5K + miles) because those wear out and hurt performance too.
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Post by chanito on May 2, 2007 18:22:04 GMT -5
Well, we did tell you to check the variator, but i understant that free time to work on the scooter is not always easy to get Glad that you got it fix
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Post by chupacabra on Jun 13, 2007 8:22:35 GMT -5
Oooh that video is painful to watch. I had that exact same problem. I sent it in to the shop for its first oil change and asked them to check out the clicking but they said it probably wasn't important (that was pretty frustrating) I ended up shimming the ramp plate from the back of the crankcase and tightening the nut. Worked fine after that
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