How to mend Yamaha Spark Plugs

Yamaha 4 stroke with automatic choke hard to start?

I have a 2 year old Yamaha 15 HP 4 stroke with an automatic choke. Previously, it always started right up. Lat... [Read more]

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rough running 84 yamaha 115 hp outboard?

.I have a 1984 Yamaha 115 hp V4 that i recently got running again after several years. I went thru the carbs a... [Read more]

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YAMAHA 600 GENESIS 1993-HOW DO I FIX MY MID AND HIGH RANGE ACCELERATION ?

I HAVE RECENTLY BOUGHT A YAMAHA 600 GENESIS 1993 AND HAVE FOUND THAT I HAVE NO MID OR TOP RANGE ACCELERATION. ... [Read more]

Starting an old 2 stroke 15hp Yamaha outboard?

Hi, I just bought a boat that has an old 2 stroke 15hp outboard. It is my first outboard. I have no user m... [Read more]

Carburetor work on 1998 XL 760 Waverunners?

I have two 1998 XL 760 Yamaha Waverunners. They both need to be manually primed with gas every time I want to ... [Read more]

Why does my yamaha 450 grizzly atv to keep fouling spark plugs?

Why does my yamaha 450 grizzly atv to keep fouling spark plugs?

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1989 yamaha waverunner ?

I do not have spark after I replaced the cdi unit and brain box, I did before I put the spark plugs in and tri... [Read more]

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how can i fix my yamaha fx1 jet ski?

after running for about 10 minutes the ski starts to bog down as the exaust fills with water, and the spark pl... [Read more]

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1992 yamaha waverunner 650lx has no spark?

my waverunner has no spark and wont start, i put new plugs in and if i pull a plug out and turn over it does n... [Read more]

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yamaha waverunner 650 lx has no spark?

my waverunner has no spark and wont start, i put new plugs in and if i pull a plug out and turn over it does n... [Read more]

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1992 yamaha wr500 wont start without pouring gas in?

it will only start if i pour gas in the carb and as soon as that gas is gone it shuts off. I have ckecked the ... [Read more]

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how do i repair 1992 yamaha wr500?

it will only start if i pour gas in the carb and as soon as that gas is gone it shuts off. I have ckecked the ... [Read more]

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1991 yamaha jet ski won't start?

1991 yamaha jet ski won't start.? I changed the spark plugs and fuel filter. I checked it by removing the sp... [Read more]

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1998 Yamaha XL1200 ran perfect cut off during a turn?

I was riding my waverunner and I turned and all of a sudden it just putted out with my hand full throttle. I ... [Read more]

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1995 Yamaha Waveventure quit running?

I just bought this and took it out for a test run, it hadn't been in the water for over a year, it ran fine fo... [Read more]

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yamaha waveraider 700 jetski?

when started from cold runs perfect but when u pull the trottle its restricting itself i have changed spark pl... [Read more]

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We changed the fuel filter and spark plugs on our waverunner?

We changed the fuel filter and spark plugs on our waverunner. It cranked fine in the yard but when we took it... [Read more]

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Engine starts but misfires?

2003 Yamaha 135 HP waverunner engine misfires. Start Ok. Replaced spark plugs and fuel filter. Some improve... [Read more]

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94 yamaha waverunner help!?

my waverunner was running fine, until a couple days ago i tried starting it up. you hear it trying to start ju... [Read more]

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how can i fix my 2001 yamaha waverunner?

my waverunner (2001 yamaha 850 xlt) will not start. will turn over only for a very short time (1/2 or so revol... [Read more]