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04-26-2016, 08:20 PM
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#1 |
 Join Date: Apr 2016
Posts: 2
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Tank 150 starting issues
Howdy all. The gf has a Tank Urban Classic 150 that sat unused for a year or more(and whose reliability was suspect prior to that). Dove into the carb, thinking it needed cleaning, which it did, but still would not start. Replaced the carb with a new one, fired right up and ran for a cpl weeks, then returned to cranking but not running. On a whim, I bought ANOTHER carb and swapped it. After a bit of cranking, it fired up and ran great for about 2 rides. Now it is back to cranking but not turning over. I have confirmed spark is good and fuel is flowing. So, TWICE it has responded temporarily to a new carb, only to die within a few rides. Any pointers on where to look to get this heap running?
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04-27-2016, 06:12 AM
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#2 |
 
Join Date: Jul 2011
Location: Connecticut
Posts: 493
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Adjust the valves to .004" intake and .005" exhaust.
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2011 Roketa MC-23-150 4T 150cc 157 qmj 24mm carb w 115 main jet and paper cone air filter Manual petcock w Tygon fuel lines Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust RED spring clutch Adjustable CDI (brand unknown, it's blue and red and works great!) KOSO high performance variator w 12g sliders Gates Powerlink 835-20-30 belt GPS verified 65mph on flats. |
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04-27-2016, 08:21 AM
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#3 |
Join Date: Dec 2013
Location: Western New York
Posts: 454
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How about the rest of the fuel system? Have you removed, drained, cleaned, the tank? Have the rubber fuel lines been replaced with a tygon type? Ethanol blended fuel will destroy rubber lines from the inside out.....the exterior may look fine, while the inside is being eaten up, causing problems further along the fuel system.
After everything is clean.....you might think about using something like Marvel Mystery Oil on a regular basis. I add .4 ounces (4/10ths of an ounce) at every fuel up. Last year this cost me $1.98 to treat the 35.4 gallons of fuel I used to go 3,159 miles. Scooter is just over 4 years old, and has just over 9,200 miles on it, never have had a starting or running problem....and I have never cleaned the carb.
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2011 Jonway 150cc..16,109 breakdown free miles, and counting
   Last edited by rks; 04-27-2016 at 08:58 AM. |
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Linear Mode
