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Old 01-04-2018, 09:07 PM   #1
Bus Crazy
 
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Join Date: Apr 2012
Location: So Cal
Posts: 2,404
Year: 1935
Coachwork: Superior
Chassis: Chevy
Engine: 317 ci/tid / Isuzu
Bad gas (not from tofu)

Hello All.

Well, I learned a lesson—but not without considerable pain to reinforce it. Gasoline really does go bad. A year ago I replaced the Yamaha ef3000iseb genny in my bus with a brand new model of the same ilk. Same rip snorting electron pushing device I had but with all the eco friendly junk like a charcoal canister and exhaust sniffer or something. I figured I was set for life. Not so. After only 24 hrs of metered use, the thing began surging at idle with wild fluctuations of rpm’s and flashing red lights. It worked fine under load but I’ll bet that wouldn’t have lasted. Per the net, this apparently isn’t all that uncommon regardless of the generator brand. The fix seems to be carb repair and gas tank cleaning.
I removed and dissembled the carb in which I found an amazing amount of varnish. I did a though cleaning of the float bowl and all the jets and emptied the tank. After reassembling the carb and adding fresh gas, the genny is purring like a kitten again!
Feeling good about my success with the Yamaha I decided to have a look see at the Powermate Genny on the pop up camper I tow with the bus Toad. I’ve only used the new PM once since I installed it about a year and a half ago. Damn thing wouldn’t even start! I finally got it to run on ether—but only until the either ran out. This is where the pain comes in. I put the PM on a work bench next to where the Toad was parked and proceeded to vigorously pull the starter rope. With each pull the genny moved closer and closer to the Toad until it was just close enough so that a good yank on the rope brought my elbow into contact with the edge of the rain gutter on the Toad. The result was a new hole in my shirt and a new hole in my elbow and a really pissed off tendon.
The PM is a knock off of the Yamaha, about a third the cost and half the power and a tad bit noisier. The carb looks like a miniature of the Yamaha and had clogged up in all the same places. It too is again purring like a kitten.
Lesson learned (X2) : Look before you pull the starter rope; add fuel stabilizer to the gas.
Jack
.

.

Jack
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Old 01-04-2018, 09:30 PM   #2
Traveling
 
Join Date: Nov 2015
Location: Midwest
Posts: 2,573
Year: 2003
Coachwork: BlueBird
Chassis: TC2000
Engine: 5.9L Cummins
Rated Cap: '00
Gas isn't what it used to be. All that corn juice draws the moisture.

You can use the purple Sta-Bil gas stabilizer in all gas that goes in the machine.

I also switched to premium octane gas for all my small engines and have had fewer problems.
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Old 01-04-2018, 09:49 PM   #3
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Join Date: Sep 2017
Location: Owasso, OK
Posts: 2,627
Year: 1999
Coachwork: Thomas
Chassis: Saf-T-Liner MVP ER
Engine: Cummins 6CTA8.3 Mechanical MD3060
Rated Cap: 46 Coach Seats, 40 foot
Also .. if possible in your area, use 100% gasoline, no ethanol.
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Old 01-05-2018, 03:49 AM   #4
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Join Date: Jul 2011
Location: Winlcok, WA
Posts: 2,128
I have been driving my 1965 D1200 Travelall Custom around a lot in the last year. In other words it hasn't been sitting very much between uses.

On Tuesday I went to drive it. I added it up and the last time it was driven was two weeks before. At that time I had refilled the main tank. Since filling the tank we have had some really cold (or at least cold for us) and damp weather.

When I went to start it I couldn't get the fuel to catch on fire. I was cranking the starter and it would just about start but as soon as I let go of the key the engine would die.

After making sure I still had fuel I then tried starting fluid to add some extra fire.

Eventually, and happily before the battery went dead, I got it started. I have run it every day since and I have also put premium fuel in it.

I can't tell you how much I detest ethanol blended gasoline. The only bright spot on the horizon is I don't have any diesel powered rigs to drive. The bio-blended diesel is even worse than ethanol blended gas. Some of the bio that is used to blend into the diesel will start to cloud at temperatures well above freezing. I have seen some that were completely gelled at temperatures above 40*.

I suppose the moral of the story is to make sure I park with non-ethanol blended fuel, add Sta-Bil or some other fuel stabilizer, and don't leave the old rig out in the weather to get cold and damp.
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Old 01-05-2018, 07:00 AM   #5
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Join Date: Feb 2014
Location: Cuyahoga Falls Ohio
Posts: 522
Year: 1997
Coachwork: Startrans
Chassis: Ford e-350 single wheel
Engine: 5.4 litre
Rated Cap: 12
I prefer startron over stabil. But if you can get nonethonal gas in your area, that's the ticket. Don't forget to run the engine after you put startron/stabil in the tank.
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