I have a Suzki GZ125 Marauder , what is the plug for on top of the Crankcase at the Left hand side ? this came out while riding and could not find , ha to be towed home .

SOURCE: spark plug type and gap setting please

I believe NGK brand is the best. Get the stock plug for your bike from the dealer. Gap should be 30 thousandths.

SOURCE: All the settings for the carburettor for a Suzuki

hi buddy the picture below will show you the mixture screw unscrew this 1/2 of turns out if still no difference unscrew another 1/2 if getting worse screw in 1/1/2 turns it just play with it budd this is the screw that puts the correct amount of fuel with the air

SOURCE: suzuki marauder 125 oil change

Drain plug is in the center of the oil strainer cap,aka round spoked attachment