Zenoah G26 Marine Gas Engine FEATURES: Three needle floatless Walbro carburetor with diaphragm pump allows fuel tank to be mounted in any position Cooling jacket Pull starter;INCLUDES: Zenoah G260 PUM Radio Control Marine Engine with Carburetor Plug Wrench Champion R27C Spark Plug Plug Wrench Air Funnel and Gasket Muffler Gasket two 5x50mm Screws and Instruction Manual;REQUIRES: Gasoline: 87 octane or greater 2-Cycle Oil: Klotz makes a synthetic 2-Stroke Oil for R/C applications (KSFP0310) mix ratio for this engine is 25 - 40 parts gasoline to one part oil Gasoline safe fuel tubing GPMQ4135 Exhaust system depending on application Propeller: 65 - 75mm diameter with 1.9 - 1.4mm pitch ratio