What is the spark plug gap setting for a 1987 yamaha big bear
pull the spark plug wires out from the valve cover and unscrew the four nuts it will come right off.
The valve clearance for a 1987 Yamaha YFM350ERT Moto 4 is typically set at 0.10 mm (0.004 inches) for both the intake and exhaust valves. It's essential to check and adjust the clearance when the engine is cold to ensure proper valve operation and engine performance. Always refer to the service manual for specific details and procedures.
Answer to my own ?. Once the valve springs have been removed. pull out the valve seals with pliers. These will need to be replaced with new ones. The bottom valve spring seat will now slide out off the valve guide.
=No it will not have a spark!==No it will not have a spark!=
NGK- C7HSA .030". The gap on most spark plugs run avout .030 to .032". I couldn't find any specific information on www.yamaha.com but they do have the parts break downs.
Buy Zex plugs from Summit Racing they are already gapped and prevent detination on turbo models
The dry weight of a 1987 model, 15 hp Yamaha outboard is 85 lbs.
Spark plugs sequence for a 1987 jetta gl?
The first year the Yamaha Warrior was made was 1987.
To check the ignition on a 1987 Yamaha XT 600, first ensure the bike is in neutral and the kill switch is in the "run" position. Use a multimeter to test the primary and secondary windings of the ignition coil; the primary resistance should be around 0.6 to 1.3 ohms, and the secondary resistance should be between 6,000 to 14,000 ohms. Additionally, inspect the spark plug by removing it and checking for spark while cranking the engine. If there's no spark, further investigate the ignition timing and the CDI unit.
The gap appears to be .035 on all 2.2 liter non-turbo engines for that year. The spark plug number for that engine, that year is AS65.
about 70mph