WD615.62 Marine Engine Technical Details Model : WD615.62C Power : 201 HP Engine (Kw) : 148 Engine (RPM) : 1800 Type : 4 Strokes , Water Cooled, In-line, Direct Injection. Bore X Stroke (mm) : 105 x 130 Compression Ratio : 18:01 Idle Speed : 650 (+/-) 30 RPM Firing Order : 1-5-3-6-2-4 Intake Mode : Turbocharged, Intercooler