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05-30-2015, 03:51 AM
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#1 |
 Join Date: May 2015
Posts: 4
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Rpm's wont rev past 3500
I recently bought a new 2014 49cc ToaTao Vip scooter and i noticed my rpms wont exceed 3500. It currently has 573 miles. I can go about 30-33mph max but it takes a while and the rpms are always below 4k. I also lose a bit of power when i go up hills as well and my speeds will even drop to 20mph sometimes. A couple friends of mine have 50cc scooters and they seem to go 35-40 mph quite well, and they pass me on the road and hills with breeze. I changed the CDI out with a performance one that is blue, but i didnt see any change in the rpms. I also put in a performance coil and spark plug, but that only made it start better and idle better, it didnt increase my rpms or speed. I watched youtube videos of people riding the same exact scooter as mine and getting 6-7k rpms easy. So i know for sure that something aint right.
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05-30-2015, 01:02 PM
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#2 |
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Join Date: May 2015
Posts: 4
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Nevermind, it seems this website barely replies to peoples questions. Ill be waiting weeks to even get 1 reply.
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05-30-2015, 03:28 PM
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#3 |
 Join Date: Feb 2015
Posts: 121
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Sorry, but this seems like perfectly reasonable performance for a stock 4-stroke 50cc bike with a heavy person (200+ lbs) on it. As for the RPM's, check if the clutch is dragging when its idling, if it is, it might have broken springs on and be engaging too soon. Your friends probably have the 2-stroke variation of the bike, which produces a lot more power.
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05-30-2015, 08:55 PM
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#4 |
Join Date: Dec 2013
Location: Western New York
Posts: 454
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If it's running 30 to 33 mph.....it is turning far more than 3500 rpm's, and your tach is way off. They (TaoTao), advertise the top speed of their 50cc scooters to be 30 to 35 mph, so you are right in that ballpark.
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2011 Jonway 150cc..16,109 breakdown free miles, and counting
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06-02-2015, 03:57 AM
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#5 |
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Join Date: Mar 2013
Location: Vancouver, BC
Posts: 198
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If it feels like it's not running right you may need to adjust your valves.
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 2005 Yamaha BWS (Zuma) "Garfield" TP Black Trophy 70cc, Giannelli Reverse Pipe, 5g Dr. Pulley Sliders, Delta Clutch with Yellow Springs and Yellow Contra, Malossi Torque Controller, Naraku R-Vent Bell, NCY Adjustable Secondary Sliding Sheave, CF Reeds, Kege Analog Tach, Dual Headlight Mod, N.A. Rear Fender Delete, OEM Short Windshield. |
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06-03-2015, 06:24 PM
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#6 |
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Join Date: Jun 2013
Location: Minnesota
Posts: 73
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I'd wonder if there wasn't a governor in there somewhere (e.g. smaller jet, something on the CVT) also. Given the work you've done, I presume you've checked those but if not, it's something I'd look in to.
Last edited by Ebuddy; 06-15-2015 at 11:06 AM. |
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