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timbo4020 Added a reply to 2018 RMZ 250 starts then quits
10/19/2024 7:36am Ok…dumb, dumb, DUMB, I am… Figured I’d start checking some electricals this morning. Upon removing the tank, fuel pump connector, and while removing the fuel line, the gasoline that leaked out of the fuel line, onto the top of the valve cover, was a nice gasoline/H2O mixture! 😳😂. While I had the tank off though, I checked connections and several...
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timbo4020 Added a reply to 2018 RMZ 250 starts then quits
10/18/2024 2:48pm Thank you again Lodewijk. I’ll definitely check into these and go from there. I appreciate everyone’s help. Thank you!
timbo4020 Added a reply to 2018 RMZ 250 starts then quits
10/18/2024 5:19am Thank you Lodewijk. I will check those things hopefully in the next few days. I appreciate the input. I sided towards electrical because I feel like the holeshot light on the bars was supposed to stay illuminated, and definitely illuminate long before 10 kicks. I’ll definitely check all things mentioned and give an update. I’m just starting to diagnose, and...
timbo4020 Added a reply to 2018 RMZ 250 starts then quits
10/18/2024 1:21am Thank you for the reply Donk, I cleaned the ground a few days ago with a file. It’s definitely a good, clean ground.
timbo4020 Started a new thread 2018 RMZ 250 starts then quits
10/17/2024 2:14pm Hi everyone. I bought this bike not running. After fixing all the internal mechanical issues, the engine will start and run for about 10-15 seconds, will take throttle, sounds great, then just dies, like you’re pushing the kill switch. It takes about 10 kicks to get the holeshot light on the handlebars to light, then it goes out right away...
This forum thread has 7 replies.
timbo4020 Added a reply to 2010 CRF250R will only start if you prime the intake with gas
8/25/2023 5:49pm Hello! I’m posting an update, incase this thread helps anyone. So I found that when I finally got the engine started it had rough idle and when you gave it throttle, the idle would hang like it had an intake leak, or the butterfly wasn’t going entirely closed. It was also fouling plugs and smelled like gas after the engine...
timbo4020 Added a reply to 2010 CRF250R will only start if you prime the intake with gas
8/13/2023 3:49pm That’s why I’m stumped, it has a brand new Honda harness on it, I’ve replaced that too. I have a Big Gun TFI Power Box on order. I’ll definitely post my results, I don’t know what else to do, other than sending one of my ECU’s to Tokyo Mods.
timbo4020 Added a reply to 2010 CRF250R will only start if you prime the intake with gas
8/13/2023 2:02pm Here’s a list of what was replaced or replaced from a running bike: wiring harness, kill switch assy, injector, fuel pump, map sensor, coolant temp sensor, throttle position sensor (not replaced, but checked, set to spec), stator, condenser, fast idle adjuster, ECU, intake air temp sensor, spark plug, coil, flywheel and key, intake flange. (Kick start pedal because I’ve worn...
timbo4020 Added a reply to 2010 CRF250R will only start if you prime the intake with gas
8/12/2023 2:48pm I did. The valves are spot on. I’ve even set them on the high side of the specs. Also just put a new camshaft in it because the gear had spun just enough to throw the valve timing off. I’ve really done everything I can think of. I’ve even sprayed around the airbox and intake boot with carb cleaner to...
timbo4020 Started a new thread 2010 CRF250R will only start if you prime the intake with gas
8/12/2023 12:02pm Hi everyone. I can prime the intake with a spray bottle, and get the bike started, but you have to keep the bike running. It won’t idle. When it quits, you have to prime it again. It’s got a new fuel pump, new injector, new intake flange and clamps. It’s got pretty much new everything. New map sensor, intake air...
This forum thread has 8 replies.
timbo4020 Added a reply to CRF250R No start!
8/6/2023 5:58pm I also have the same issue with a 2010 CRF 250R, I’ve replaced everything, including the ECU.