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Post by geh3333 on Mar 11, 2015 15:19:10 GMT -5
842/20/30 and I have 13 inch wheels with 130/70/13 tires, a little taller then stock. I had the same size belt in my voyager with 14g sliders , it was suggested to me to use an 846 belt . I did buy one and never installed it ,so I never tried it. I suppose the extra 4mm will make it ride to the top of the variator and the bottom . John I actually bought one " 846 " about a yr and a half ago , just to try out . it was when I had my old koso and the belt seemed too loose at takeoff " you can hear and see the belt flopping around " also somehow I lost top end . I sent the belt to someone on the site for free , I can't remember who. It may have been 2 yrs ago not sure. The 846 will probably run to the top of the variator but still will not drop to the bottom , however it will ride higher on the clutch at takeoff . I would like to hear your results . |
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Post by jerseyboy on Mar 11, 2015 18:51:45 GMT -5
I just switched to a 842 and love it,,seems better both bottom and top...also it can be changed in a pinch on the side of the road without removing the variator,,its just long enough if you give the clutch a good strong squeeze you can slip it over the variator without cutting it...I was glad for that,,now I carry an 842 under my seat and found a new home for that bulky spanner I was luggin around....
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Post by geh3333 on Mar 11, 2015 20:38:21 GMT -5
I just got back from taking the scoot for a ride . I had to go up .5 grams on the variator weights. Now I'm not sure if it had something to do with the bad starter clutch or if it is the variator ? I didn't break it open yet to check the belt climb on the variator . I'm leaning towards the starter clutch being the reason I wasn't getting full climb on the varaitor with the last koso. The reason I say this is because of the following : With my last koso and 9.5 gram weights I was topping out around 7500 rpms on a straight run but at the same time I was pretty far from the top of the variator . with 9.5 gram weights and still being lower on the variator , my rpms should have been sky rocketing . I didn't notice that I wasn't getting full climb until I tore her open the other day. It seems as if something had to be holding the engine back , literally . in between the stock ctarter clutch and the starter gear there is what I would have to call a bearing ring .  . When I pulled the starter clutch , one of springs were holding one of the rollers slightly out of place . but I don't think it could have been causing the noise In the video I posted awhile back . I believe the noise was caused by the part in the pic. When you spin the starter gear over that price it sounds very similar to the noise I was hearing , so if spinning at a few thousand rpms I believe the noise would be the same. As for belt travel , I will open her up 2moro and see how high the belt was riding. I'm expecting to see no more then 1/8 of face untouched by the belt. The only thing I can say for certain is that the belt still is not dropping in the variator like it should . when I first took her out I kept the same weights in that were in the other koso . after a very short trip I had to go up .5 grams due to the rpms being too high. When I opened her up to change the weights the belt was still lower in the clutch then it should be ",just like the last two Koso's ". I believe that and the variator being a good bit heavier then my old koso will be my only complaints. I still have good pick up , but if the belt was able to drop fully , pick up would be even better. |
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Post by jerseyboy on Mar 11, 2015 21:03:36 GMT -5
Hmmmm,,keep us posted Geh,,
Those needle bearings look pretty beat,,atleast they are all still intact...lol
I might be putting my new 3rd gen blue NCY clutch and bell on soon....just need to make some room in the shop,,gotta get my mower back on the trailer where it belongs.
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Post by geh3333 on Mar 11, 2015 21:04:21 GMT -5
The ncy starter clutch did not have the bearing type part in the pic. It seemed like it was made much better.
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Post by jerseyboy on Mar 11, 2015 21:06:36 GMT -5
How much did you pay for it,,I will be upgrading to that one sooner or later..??
Was it from GY6 Racing Team?
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Post by geh3333 on Mar 11, 2015 22:02:43 GMT -5
How much did you pay for it,,I will be upgrading to that one sooner or later..?? Was it from GY6 Racing Team? If I'm not mistaken it was around $40 - $45 . I'll have to check my eBay account to get the exact price . I'll check it in a few mins . I ordered it from gy6racingteam , like most other parts I've ordered. |
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Post by geh3333 on Mar 11, 2015 22:04:54 GMT -5
Here is a short video of the old starter clutch. I'm spinning it so you can hear how loud it is . when your watching it imagine it spinning much faster and enclosed in a box . the sound would resonate much louder. . Sorry the video is a little dark , but its the sound that's important.
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Post by geh3333 on Mar 11, 2015 22:14:00 GMT -5
Just to let every one know , when the engine is running , the starter gear sets idle as the clutch spins with the crank , so spinning the gear backwards mimics that action.
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Post by rcq92130 on Mar 12, 2015 1:31:48 GMT -5
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Post by jerseyboy on Mar 12, 2015 12:50:36 GMT -5
Wow,,thats the same exact noise it was making in your old video,,man,,glad you found it,,did you get a starter clutch socket tool to remove the backwards threaded nut or did you use a hammer and chisel like some do?
I have to get that tool,,or make one out of an old socket by using a 4-1/2" angle grinder.
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Post by geh3333 on Mar 12, 2015 14:13:03 GMT -5
Wow,,thats the same exact noise it was making in your old video,,man,,glad you found it,,did you get a starter clutch socket tool to remove the backwards threaded nut or did you use a hammer and chisel like some do? I have to get that tool,,or make one out of an old socket by using a 4-1/2" angle grinder. I didn't have the tool , I was going to buy one but didn't , so what I did was put a socket wrench on the variator nut and vise grips on the starter clutch but. I used a bigger combo wrench for leverage on the handle end of the vise grips , and as I turned the nut , the socket wrench on the variator wedged against the block that was holding the scoot up. I was able to get enough leverage to break the starter nut loose. I did the same thing to tighten the nut , just in reverse. Luckily the starter nut broke loose hand not the variator nut , lol . I'm so happy the noise wasnt coming from the crank . I thought I took care of it when I changed the oil pump but I didn't let the scoot run long enough for the noise to kick in. It only kicked in after the engine was warmed up a bit. When it was warm out the noise would usually start right off the bat . Yesterday I let it run on the porch for about 30mins . after that I took it for a 30mile rd trip and still no noise , so I think its safe to say it was the stock starter clutch . |
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Post by geh3333 on Mar 12, 2015 14:16:40 GMT -5
Wow,,thats the same exact noise it was making in your old video,,man,,glad you found it,,did you get a starter clutch socket tool to remove the backwards threaded nut or did you use a hammer and chisel like some do? I have to get that tool,,or make one out of an old socket by using a 4-1/2" angle grinder. If you make you own , you will probably have to cut a deepwell socket in half and weld it to the end of another . the crank shaft is longer then all the deep well sockets I have , so one would not reach the nut . |
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Post by tvnacman on Mar 12, 2015 14:40:18 GMT -5
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Post by geh3333 on Mar 12, 2015 15:05:29 GMT -5
The ncy starter clutch did have the bearing type part in the pic. It seemed like it was made much better. |
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