How many cylinders does a Yamaha 115 4 stroke have?
Four
1832cc Four-Cylinder Engine The F115 incorporates larger intake and exhaust valves which enhance response, efficiency and mid-range torque.
Where are the spark plugs on a Yamaha outboard motor?
Remove and inspect the spark plugs. These are located inside the engine case in each of the outboard motor’s cylinders. The exact type and number of spark plugs varies according to outboard motor model; this information can be found in the “Maintenance” section of the Yamaha outboard owner’s manual.
How many spark plugs do you need for a Yamaha F115?
Be sure to note which spark plugs your engine requires–PartsVu recommends NGK. You will need four spark plugs – view the Yamaha F115 Maintenance Chart to select the correct plugs. Spark plug part numbers ending in a dash and then two numbers (-xx) are already set with the proper gap.
What does RFI do to a Yamaha F115?
RFI negatively affects computer-equipped ignition systems, digital gauges, and radio equipment. Re-install the spark plugs using only 18 lbs of torque so that you don’t crack the porcelain shaft of the plug. Then, re-attach the spark plug wires.
Where is the battery on a Yamaha outboard?
The battery should be located somewhere within the watercraft, separate from the Yamaha outboard in a secure and dry location. Disconnect the negative (black) cable first and the positive (red) cable second. Remove the battery from its housing. Scrape away any corrosion from the battery terminals using a wire-bristle brush.
How to change spark plugs in a Yamaha outboard motor?
How To Change Spark Plugs In A Yamaha Outboard Motor. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.
Be sure to note which spark plugs your engine requires–PartsVu recommends NGK. You will need four spark plugs – view the Yamaha F115 Maintenance Chart to select the correct plugs. Spark plug part numbers ending in a dash and then two numbers (-xx) are already set with the proper gap.
Can a NGK spark plug be used on an outboard motor?
NGK spark plugs are original equipment on many outboard motors and are excellent replacements for everyday engine maintenance. Please view the application guide below.
How often should I check my Yamaha spark plugs?
As a general rule, pull four-stroke outboard spark plugs every two hundred hours or every other season and check for proper color and wear. They should be a light brownish color and have relatively sharp edges.