I'm not mechanically inclined so I'm pretty worried here.
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I just picked up a 2006 Honda Helix motorscooter last week in basically beautiful condition, always garaged - 8000 miles.
When I first rode it, it was great, nothing sounded or felt out of the ordinary as far as I recall. I took the bike on the highway and noticed my top speed was anywhere from 60-65 on flat ground, which as I understand it, is below what I should be getting.
I asked around and a few people thought it might be bad gas, so they suggested I should run a few tanks of Seafoam through it, so I filled up a tank with premium and put about half the bottle in, ran that down, then did it again. That didn't make my bike run any faster; now it was running slower.
I took my bike back home and in the morning, the engine would cut out after seconds. I let it idle for 15 minutes while occasionally adding throttle - this is the only way it would keep running, because if I didn't let it idle and hit the throttle, it would rumble and then cut out. So every time I start the bike now I have to let it idle for a while.
At every take-off the bike now hesitates and skips and jumps and groans, taking a second sometimes to even respond in motion to a throttle twist, and then gets up to speed.
I paid a mobile mechanic in the area to come by for $220 and do a carb cleaning while checking the air/fuel filters. After several hours, he didn't fix the problem, and couldn't figure out why. He suggested a carb rebuild but wasn't sure. I paid him $120 for the time spent, having gotten nowhere.
Now my bike is stuck. I have no idea what I'm doing. The low speed is highly unreliable and the top speed is lower than it should be. The exhaust crackles and pops on deceleration and the accel has a high pitched whine. I don't want to keep doing this...
Someone on the Helix FB group posted this, dunno if it's another option: "After reading your other comment about pops and clicks, it does sound like you have a lean condition. Carb intake might be cracked. That's common. Combine that with a worn exhaust gasket and the combination could actually make it lean enough to not have much power or stall. I'd check your spark plug to see if it's a lean looking dried out plug".
tags; bike motorcycle auto work gigs jobs scooter