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Bruce (VA)
06-18-2007 11:40:36
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Re: 49 8N won't start. in reply to Finner, 06-18-2007 08:42:31
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Is it a 6v or 12v, front or side distributor? The diagnostics are different, so make sure you tell us what it is. It takes three things for an engine to run: spark at the right time, compression, & fuel in the right mixture. Lets start w/ spark. Remove a plug, or use an old one, ground it to the head, connect a plug wire, turn the key on & crank it. If you have a fat, bright blue spark, you are good to go. If you do not have spark, post back & you will get plenty of help. Next, lets consider fuel. Been setting for a while? Water in the gas? Maybe you forgot to put Stabil in the tank & the carb is gummed up. But, first things first....remove the bolt at the bottom of the carb, turn the fuel on & check for flow. As long as the gas is turned on at the sediment bowl, you should have a good flow of fuel. Don't forget that the N has three fuel screens & al lthree need to be cleaned. Next thing, get a can of starting fluid, remove the breather hose, turn the key on & crank the engine. After it turns over a few times, spray some fluid in the carb. Leave the choke alone! If it fires but won't start.... chances are it's carb cleaning time. Lastly, compression.....while that's not the likely problem....crank the engine & put your hand over the carb. If you feel good suction, that is a close enough compression check for the time being. Post back & you will get plenty of help!
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