Drain the tank (completely) and put fresh fuel in it. Drain the float bowl as well.
Replace the sparkplug (make sure the gap is correctly set).
Shoot a blast of carb cleaner into the carb throat.
It is a four stroke suzuki dirtbike. i noticed that the air intake from the carb is kinda blowing spitting out. I sprayed some starting fluid into the intake kicked it... and some fluid spit out.
I also have pressure coming out of tail pipe. Could my timing have jumped?
I have tried thumpertalk but they don't seem to have any suggestions. I was warming it up for a couple minutes, then rode it around to adust my new clutch lever for maybe five minutes very very light riding. Turned it off leaned my bike on a tree grabbed my helmet jump back on kicked, kicked, and kicked. Then six more guy's kicked. We did all the obvious gas, spark ect. I'm kinda hard on my dirtbikes, i do all the basic maintaince on my bikes... So I'm hoping it's just my timing. I'm ordering a manual now.
If it ran for awhile, it's probably not the timing. If the timing's off it won't run (or run very badly) from the get-go.
This still sounds like a fuel/mix or carburetor problem. Drain the float bowl, and replace the fuel in the tank. Spray out the jets with carb cleaner - you may have to disassemble the carb & soak it overnight if it's gummed up badly.
Good questions Tony, and I agree. If it ran before, don't mess with any adjustments. Install a new plug, check for spark. If that's ok, try shooting a little gas through the carb. If she fires, you have a fuel problem. Start from the source: Tank, petcock, line, filter, needle, seat, float.....you get the point.
Wow yeah so I took her apart found my timing was off by 7 teeth. I've been fearing working on the four stroke motor since I had bought it. But once I got into her she's not that much harder than a 2 stroker. Took alittle time but she's running sweet, now I have twice the compression. I can't wiat for tomorrow so i can run it. Hey thanks for the info, and the luck. One more question would the timing being off make the bike over heat?
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