Question about 1983 Yamaha XJ 650

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Fuel Fump I have bought a 198 Seca 650 Turbo, and had to get a new fuel pump. Come to find out that there is no power coming to it. Where do I go to re wire it in?

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Hey ,,u might have a corroded wire,, at the block connector ,, 4 a quick get it goin method,, disconnect the wot was the live on the pump connection,and run a wire from an ignition source,, ie,any thing live when ignition is switched on,, to the pump..dont wire straight off the battery ,,or it will keep pumping when ignition is off, .thatl work,,if it doesnt then keep wot u have made up ,,and run a wire from the earth on the pump to the frame,,

Posted on Dec 27, 2008

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I have a 1982 yamaha 650 turbo my fuel pump is bad so i went to autozone and bought a 20 psi fuel pump can i put this on my bike and will it work without problems?? Help..


Hi, Bryoncurry_b 20 psi is too much and will cause problems OEM pressure is 2-4 psi for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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1982 Yamaha Seca Turbo (XJ650LJ) Had the carbs


Mine was stored for 20 years, I ended up replacing the seat and needles, cleaning them thoroughly and when I tried starting it, nothing!! No gas was going to the carbs, it turned out to be my gas pump, it was seized by the old gas remains 'varnish' so I had to clean it numerous times, soaked it in gas cleaner (short period at a time 15 minutes or so, being a very powerful cleaner, you cannot leave it for long without causing greater problems, thus I was able to get the pump going by boosting it with my car batterie, having more cranking amps directly to the pump, the pump was able to release itself from the old crusty varnish.

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I have a 1982 XJ650LJ Seca Turbo. I runs very smooth, but I have no power whatsoever from a standing start. I don't know what to do.


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Jan 05, 2011 | 1981 Yamaha XJ 650

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I have a 1982 yamaha 650 seca turbo. I just bought it and was gone for two week on vacation. pon returning, my motocycle leaked gas from the exhaust pipes. So I cleaned my carb. Boiled it in lemon...


When the carburetors over flow enough to fill the exhaust, It is possible that the gas also went into the cylinder and flowed past the rings and into the crankcase. With the engine overly full of gas and oil you could easily pop a seal or blow out a gasket. Check your oil level. If it is too full , change the oil, it will not lubricate properly with all the gas in it. Check that your shaft seal has not popped out. Check the air filter, the breather may have blown oil and gas all over it when you started the bike. Empty your pollution tubes behind the motor( they will drain the air box). Get in the habit of turning your fuel petcock off when not riding. This gas flooding happens randomly in certain models but can happen to any one.

Sep 07, 2010 | 1981 Yamaha XJ 650

1 Answer

Hi there i need a repair manual for a 1981 yamaha seca 750 or XJ 750 please.


http://www.repairmanualclub.com/motomanuals/
Take look here if you want a hard copy call the guys at C.C. Motorsports Corpus Christi Tx
They can hook you up with the goodies you need
They have a seca turbo in the shop really cool bikes
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Feb 21, 2010 | 1983 Yamaha XJ 650

1 Answer

Where could I find a fuel line diagram for a 92 Yamaha XJ600 Seca II?


For the fuel pump portion you can go here - http://www.bikebandit.com/houseofmotorcycles/1992-yamaha-motorcycle-xj600sd-carburetor/o/m8199sch138373

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Jan 20, 2010 | 1992 Yamaha XJ 600 Diversion S

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My 1981 yamaha 650 special has a problem with the carburetor leaking fuel into the air cleaner. any ideas


You hve to clean the carburator and adjust the float ..plz go to this site you will find a lot of usual information to it www.xjbikes.com

Knight. (yamaha seca XJ750A 1981)

Apr 21, 2009 | 1981 Yamaha XJ 650

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