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#1 |
Join Date: Mar 2024
Posts: 1
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Bashan Raven 250 POWERS ON WONT TURN OVER HELP!
Hello, i recently just bought a used 2020 raven 250 and it will power on but will not kick over. I brought to a shop he said most likely was the coil and rectifier. I replaced both tonight as well as fresh gas, oil change and new spark plug, the bike is still not turning over. It was sitting for about a year without being started before i just got it. does anyone have any other ideas what this problem might be?
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#3 |
Join Date: Feb 2024
Location: SW Missouri
Posts: 174
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Very simple engines can be tested in stages. This is my approach.
1. Spark - Remove the spark plug from the engine. Reattach to the plug wire. Holding the plug by the wire, hold the threads of the plug against the cylinder head and bump the starter. Watch the spark plug to see if you have spark.
2. Fuel - With the petcock off, remove the fuel line from the inlet of the carb. Place a cup under the end of the line, turn on the petcock and verify that the fuel is flowing.
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#4 |
Join Date: Feb 2021
Location: Kansas City
Posts: 2,557
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Rob, Not sure what won't kick over means. I assume that you mean that the starter turns over the engine, but it is not firing up.
I agree that fuel may not be flowing or you may not be getting a spark (as mentioned above). but... Could be low compression if the valves aren't closing. Previous owner may have never checked them. It would turn over easily with the starter. So check valve clearance. A simple rocker arm wiggle test at TDC on compression stroke will confirm this (should be a slight gap detectable). If they are tight at TDC, they absolutely need adjustment. Excessive wiggle, too loose and opening late.
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-2022 5 speed Templar X Orange, OEM 51T rear sprocket, 14T front sprocket -NOS 2020 KTM 250SX (2-stroke motocross), less than 10 hours on it Last edited by Thumper; 03-08-2024 at 10:42 AM. |
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Tags |
bashan 250, chinesedirtbike, hawk 250, raven |
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