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Tan, MerCruiser Certified Technician
Category: Boat
Satisfied Customers: 11052
Experience:  40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.
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Im working on 250 eng volvo marine abought timing

Customer Question

im working on 250 eng volvo marine abought timing
Submitted: 1 year ago.
Category: Boat
Customer: replied 1 year ago.
need toknow how too set timming marks on 250 eng marine
Expert:  Tan replied 1 year ago.

Hello. My name is Tan.

Could I get the engine model number please?

250 isn't enough info they made many different versions of this engine over 40 years.

Customer: replied 1 year ago.
tan the numbers are gone on breather. it a 250 a or 250b ihave crank on o but what ill like to know is does the rotor button point at no1 when everything is in time. i had to order a new cam sprocket in order to find timing mark old sprocket i cant find the dot.thanks
Expert:  Tan replied 1 year ago.

Yes the rotor should e pointing to #1 when it is on TDC. With everything lined up correctly you should be on #1 TDC and the rotor pointing to #1 .