Mercury Marine 250 EFI optimax jet service manual on CD. 90-888438. Also available on a USB flash drive, just ask.
Jet Drive Service Repair Manual filled with high quality diagrams and instructions on how to service and repair your Mercury Marine Jet Drive from top to bottom!
Models covered: 250 optimax jet.
Specifications 
Maintenance 
General Information .
Jet Installation 
Electrical 
Ignition 
Charging & Starting System 
Timing, Synchronizing & Adjusting 
Fuel System 
Fuel Pump 
Direct Fuel Injection 
Oil Injection 
Emissions 
Powerhead 
Cooling 
Pump Unit .
Color Diagrams 
File Format: PDF 
Compatible: All Versions of Windows & Mac 
Language: English 
Requirements: Adobe PDF Reader
This is a manual o0n cd.