02-26-2017, 04:31 PM | #1 |
Join Date: Feb 2017
Posts: 28
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Coolster 3150DX2 "jerking" and loose throttle?
Hey guys, still trying to figure out what's causing this new machine to "jerk" when going forward. If I go in reverse, it's smooth. Soon as I put it in forward and push the throttle, it jerks and bounces and I hear loud clacking noises. I thought it was the chain which was super tight so I adjusted it where it has some play and the issue is still there. Also, I'm not sure if this is related but when I press the throttle in (reversing it going forward), the engine revs but I have to press the throttle in far for the atv to actually move. And sometimes I hear a grinding sound and loud clanking sounds when it does start moving which is accompanied by the "jerking" of the machine. Any ideas on this?
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02-26-2017, 07:50 PM | #2 |
Join Date: Jun 2011
Posts: 1,335
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It sounds like the centrifugal clutch needs adjusting. I don't know how to do that on those machines. Maybe someone here will chime in. There maybe a video on Youtube showing how to do it. I know some of the older Hondas use the centrifugal clutch set ups.
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02-26-2017, 10:44 PM | #3 |
Join Date: Feb 2017
Posts: 28
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I'm not sure the coolster 3150dx2 has one of those. It's a full automatic. My taotao 125f1 has one and I recently adjusted it. I don't see anything like that on the coolster.
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02-27-2017, 08:02 AM | #4 |
Join Date: Jun 2011
Posts: 1,335
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I wonder what it uses to couple/uncouple the transmission from the engine.
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02-27-2017, 09:00 AM | #5 |
Join Date: Dec 2016
Location: New Jersey
Posts: 86
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It's a CVT drive. Belt driven, but there is a final gear transmission. I don't know hw to adjust it either. It's the same engine as on Chinese scooters and those little Honda ruckus moped looking things. Search forums on them. Engine model 157qmj. Maybe u can find some info.
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2016 Coolster 3150-DX2 |
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02-27-2017, 09:40 AM | #6 |
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Location: Houma, La.
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Have you tried checking the clutch to see if it had any thing broken? Maybe a spring loose or broke. But I don't think it has anything to do with the clutch as the clutch is always turning the same direction. If it does it in forward it should do the same in reverse. May be in the transmission it self. Its hard to diagnose with out it being in front of me. Take and post a video will help.
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel Last edited by JerryHawk250; 02-27-2017 at 04:00 PM. |
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02-28-2017, 07:52 PM | #7 |
Join Date: Feb 2017
Posts: 28
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Here are some videos. 1 shows jerking and clanking when it finally decides to move. 2 shows it not moving at all.
https://vimeo.com/206163174 https://vimeo.com/206162990 |
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03-01-2017, 04:20 PM | #8 |
Join Date: May 2009
Location: SASKATOON
Posts: 1,161
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transmission
Hello....your gearbox shifter is not adjusted right... you can take off the link to he box from your gear shifter and you will see it can go more.. so it is in gear completey.. simple adjustment.. some one else had this problem acouple of post ago... but remove the link and see the main link will go into gear FULLY then... reinstall link when fully in gear... and then check reverse gear... DO NOT GEAR AND REV LIKE THIS.... HARD ON THE GEARBOX.... this is how people give the Chinese brand a bad name... since the buyer assembles it you are responsible to adjust stuff... the dealer if sold assembled is respossible.. thanks
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03-01-2017, 04:28 PM | #9 | |
Join Date: Dec 2016
Location: New Jersey
Posts: 86
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You need to adjust the nut on your throttle cable for sure. Way too much play in the thumb throttle before the cable is opening the carb. Need an 8mm wrench and pliers. Or 2 8mm wrenches is better. Loosen the lock nut and twist the adjuster till you have only a little play in the throttle then tighten the lock nut against the adjuster. That will solve that minor issue. Not sure how to adjust the gear shifter box though.
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2016 Coolster 3150-DX2 |
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03-01-2017, 04:29 PM | #10 | |
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Join Date: Oct 2016
Location: Houma, La.
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Quote:
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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03-01-2017, 08:18 PM | #11 |
Join Date: Feb 2017
Posts: 28
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Thanks for the replies fellas. I'm attaching some videos showing more issues which is probably the throttle and also some pics to see if you guys can pin point those thing you all mention such as gear box, links, throttle locknuts. I can't seem to find or locate these thing because I have no idea what you all are talking about.... "yes, this is the first time i'm messing with engines and carbs and stuff, sorry".
P.S. I have no idea why they made this thing the way it is. It's impossible to get to the carburetor on this or even that cable that's coming from the throttle which is behind that black bar which is the frame of the atv. On my TaoTao 125f1, everything is easily accessible so kudos to TaoTao and thumbs down to the Coolster. |
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03-01-2017, 08:24 PM | #12 |
Join Date: Feb 2017
Posts: 28
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03-01-2017, 09:44 PM | #13 | |
Join Date: Jun 2011
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03-02-2017, 12:04 AM | #14 | |
Join Date: Feb 2016
Location: George West, Texas
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03-02-2017, 09:21 AM | #15 |
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Join Date: Oct 2016
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I would get kicked off the forum if I posted those pictures. lol
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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