This is the glow powered SuperTigre .18 Inboard Marine Engine. / / FEATURES: Direct fit into many .15-.18 size boats-for higher performance, / greater reliability and easier operation / Super Start Backplate Starting System accepts AquaCraft"s 12V Super / Start for effortless starts / Water cooled head and sealed front bearing / ABC cylinder liner construction "A"luminum piston with a "B"rass / cylinder liner that is "C"hrome plated / Composite body rotary carburetor / #4 hot heat range glow plug designed especially for boating / conditions / Ninety day limited warranty / / INCLUDES: SuperTigre .18 Inboard Marine Engine with Backplate Starting System, / SuperTigre #4 glow plug and instruction manual / / REQUIRES: Fuel: Marine blend glow fuel with 30-50% nitro content (do not use / RC car fuel) / Flywheel: AQUB6701 / Exhaust System: SUPG6003 / Engine Cable Coupler: AQUB7892 / Super Start 12V Starting Handle: AQUP0001 / Glow starter and shore equipment / / SPECS: Displacement: .18 cu in (2.9cc) / Bore: .622" (16.8mm) / Stroke: .535" (13.6mm) / Practical RPM: 6,500-32,000 / Output: 1.35hp @ 28,000 RPM / Weight: 8.88 oz (251.7g) with glow plug / Height/Bottom of Mounting Tab to Top of Cylinder Head: 2.2" (56mm) / Height/Bottom of Crankcase to Top of Cylinder Head: 3.1" (78.5mm) / Width of Mounting Tabs: 1.6" (40mm) / Width of Crankcase Below Mounting Tabs: 0.98" (25mm) / Length from Backplate to Front Bearing: 2.7" (70mm) / Length from Backplate to end of Crankcase: 3.5" (89.5mm) / Diameter of Cylinder Head: 1.4" (36mm)