This bike has a parallel twin cylinder engine so it has two spark plugs.
There are four spark plugs in this bike's engine as it has a four cylinder V.
It is probably an ignition problem. The spark is becoming intermittent at high RPM'sStart with replacing spark plugs
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normally using n12y spark plug with .038. using 4 points new types, use factory set
Remove the plastic covers of the air intake systems. There are two black rectangular covers on each side of the engine bay. Remove the bolts, the coils and spark plugs will be exposed. There are four (4) on each side, when you look down from the hood, from the front end of the car. Note: Special tools are needed: Female torx wrench to open the cover, Allan wrench to open the spark plug pack, plus the regular spark plugs tools you used. weijen_hsu@yahoo.com
To change a spark plug you need to take off the seat and the side panel on the right side. After you do this the spark plug will be in front of the carb and on top of the engine block.
You just go to the Service and they will change the oil for you
The Honda Shadow came with a single cylinder 125 cc engine and a V-Twin 2 cylinder 500, 600, 700, 800, & 1100cc, engine, depending on which model you buy. The single cylinder 125 cc has one spark plug. All the other V-Twin engines have 2 spark plugs.
$69-$119 http://repairpal.com/cars/mercedes-benz/cls500
How many courts of oil does Car take and what kind of oil
The battery compartment is located in trunk on passenger side behind wall cover.