front right drivers side
The number 1 piston on that motor is the first cylinder on the drivers side.
closest to the pulley/belt.
The front cylinder on the driver's side is #1.
driver side forward cylinder
NUMBER6 PISTON ALSO IN top dead centre
When the # 1 piston is at TDC on the compression stroke, the rotor is pointing to at the # 1 position on the cap. # 1 cylinder is on driver's side, at front of engine.
line up timing marks from harmonic balancer and timing tab on timing cover
Number one cylinder is located driver's side front of engine. With the # 1 piston at TDC on the compression stroke, the rotor will be pointing at #1 plug on cap.Number one cylinder is located driver's side front of engine. With the # 1 piston at TDC on the compression stroke, the rotor will be pointing at #1 plug on cap.
Crank motor over until number 1 piston is all the way up on compression stroke, the distributor with rotor bug, if installed correctly, will be pointing toward number 1 post.
Driver side, front piston.
I was told the number 1 piston is at the back side of the motor closet to the passenger side.
#1 piston is the one closest to the front of the truck. K6 mazdatruckin.com