Question

**Rynomx** · 02-12-2010, 07:33 PM

Hi everyone, its me again. As some of you know, I just picked up a 86 250 rebel project bike. Aside from the electrical/charging issue, here's another problem. I was moving the bike from the backyard to the garage so I could start working on it. Stated it up, put it in gear and when I would release the clutch and throttle up the engine would bog under load and stall. The bike has been sitting for some time and I just starting to work on it. Is the bog and stall going to be a tranny problem or will that go away once I clean the carb, check the valves, clutch, compression etc. and do all the other tests and inspections? Like I said, I just started to work on it and haven't inspected anything yet. I'm just looking for something that you may think is a possible problem that I'll take a closer look at when I get to it.

Soul Searcher · 02-12-2010, 08:24 PM

Greetings Rynomx,

If the Rebel has sat for 3 months or more. The carburator needs some much TLC.

**flitecontrol** · 02-12-2010, 08:42 PM

I too think it may be carb related. Have you tried SeaFoam?

**Rynomx** · 02-12-2010, 09:01 PM

I was kinda thinking the same thing. I'll clean the jets and passages and see what happens. I haven't tried Seafoam yet. From what I've heard about it, it will smoke A LOT. I have 8 bikes, so cleaning carbs in no big thing.

**cagie** · 02-12-2010, 09:06 PM

If it has been sitting for three or more months, and you did not stabilize the gas, then drain the old gas and put in fresh and give it a try. SeaFoam will help get rid of varnish build up.

**Rynomx** · 02-12-2010, 09:51 PM

I just bought it last Sunday for $300. I'm just now getting time to start on it.

**flitecontrol** · 02-13-2010, 12:45 AM

Sounds like a good buy since it cranks. When you get into it, if it doesn't have an inline fuel filter, I'd add one.

When used according to directions, which is for maintenance cleaning, SeaFoam usually doesn't smoke that much. Most of the smoke is crud the SeaFoam has dissolved. I would drain the carbs, fill them with SeaFoam, let sit at least 24 hours, and drain the SeaFoam. Then put fresh gas in the tank, like cagie suggested, and add about 5 oz. of SeaFoam before filling it. Then ride it like you stole it. If that doesn't loosen all the deposits, pull the carb and give it a good cleaning. The procedure, complete with pics, is posted here on the forum.

JunkyardDog · 02-13-2010, 02:05 PM

This is just my opinion, but since you just bought it, and have never had the carb apart, I would just go ahead and remove and clean the carb. That way you will know it is spotlessly clean. I have done this with every used bike I've ever bought, and always found the carbs a mess. Seafoam is good stuff, but it seems like it would be a good idea to start out with a clean carb in the first place. And I have to agree, it does sound like your symptoms are carb related. Jerry.

**Rynomx** · 02-13-2010, 03:36 PM

Pulling the carb apart is my plan. Since the bike is used, I'm going to go thru everything to see what condition everything is in. I'm moving stuff around in the garage right now to make room to work on the rebel.

**labeledbass** · 02-15-2010, 02:04 PM

Quote:

Originally Posted by flitecontrol

Sounds like a good buy since it cranks. When you get into it, if it doesn't have an inline fuel filter, I'd add one.

When used according to directions, which is for maintenance cleaning, SeaFoam usually doesn't smoke that much. Most of the smoke is crud the SeaFoam has dissolved. I would drain the carbs, fill them with SeaFoam, let sit at least 24 hours, and drain the SeaFoam. Then put fresh gas in the tank, like cagie suggested, and add about 5 oz. of SeaFoam before filling it. Then ride it like you stole it. If that doesn't loosen all the deposits, pull the carb and give it a good cleaning. The procedure, complete with pics, is posted here on the forum.

I second that, I cleaned the carb throughout and ended up clogging it again since I procrastinated on an inline fuel filter, had to do it all over again. And I've been through 32ozs of Seafoam so far and it only smokes right after you "treat" the carb (dumping the fuel, replacing it with seafoam, and start till dead, pretty much the instructions above) and that only lasted for about 1 minute. Never had smoke with it mixed in the tank. A lawnmower filter at advanced only cost about a dollar, and with the right one no clamps are needed. Just some klines to snip off about an inch of fuel line for room, too easy to pass up -

You could yank the carb and do a good cleaning, but I would try this first until you have a gasket kit, just in case -

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