VOLVO PENTA 275 OUTDRIVE

[tractor7]

"IS THE GEAR RATIO IN A 1986 V

"IS THE GEAR RATIO IN A 1986 VOLVO PENTA 275 OUTDRIVE ON A 1.61:1? OR DID VOLVO DO OTHER RATIOS? THE SERVICE MANUAL INDICATES THAT THE 275 ONLY HAS A 1.61:1, BUT I SEE 4CYL MOTORS WITH 275 OUTDRIVES, WHICH CANT BE 1.61:1 RATIOS."

 

[el_pescador]

There are three different gear

There are three different gear ratios in the 275 for gasoline engines.
1.61:1 is for V8;
1.89:1 is for 6 cylinder;
and 2.15:1 is for 4 cylinder.