With the help of the Clymer Chrysler 3.5-140 HP OB 66-84 Manual in your toolbox, you will be able to maintain, service and repair your boat engine to extend its life for years to come. Clymer manuals are very well known for their thorough and comprehensive nature. This manual is loaded with step-by-step procedures along with detailed photography, exploded views, charts and diagrams to enhance the steps associated with a service or repair task. This Clymer manual is organized by subsystem, with procedures grouped together for specific topics and It includes color wiring diagrams. The language used in this Clymer repair manual is targeted toward the novice mechanic, but is also very valuable for the experienced mechanic. The service manual by Clymer is an authoritative piece of DIY literature and should provide you the confidence you need to get the job done and save money too. The specific Chrysler boat engine models covered by this manual are: 3.5 HP 3.6 HP 4 HP 4.4 HP 4.5 HP 4.9 HP 5 HP 6 HP 6.6 HP 7 HP 7.5 HP 8 HP 9.2 HP 9.6 HP 9.9 HP 10 HP 12 HP 12.9 HP 15 HP 20 HP 25 HP 30 HP 35 HP 45 HP 50 HP 55 HP 60 HP 65 HP 70 HP 75 HP 85 HP 90 HP 100 HP 105 HP 115 HP