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4.5 out of 5 Customer Rating

ZP 20cc Gas Engine

Item No. ZENEP20
Brand Logo
4.5 out of 5 Customer Rating

ZP 20cc Gas Engine

Item No. ZENEP20
$319.99 Price reduced from $399.99 to
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Product Details

Key Features

  • 4.8-7.4V LiPo ready electronic ignition with variable timing—no regulator needed
  • All up weight savings of 2.8 ounces compared to a magneto style engine
  • The proven and efficient ignition system only draws 450mAh, which allows for a smaller battery and longer flight times between charges
  • Increased power band compared to magneto engines
  • Aluminum carburetor arms for choke and throttle allow for easy servo hookup
  • Custom-machined prop drives with grey anodizing
  • Lightweight mufflers included and purpose-built for quieter operation


Easy starts. Incredible fuel efficiency. Legendary reliability of Zenoah™ engines. You’ll get it all, plus power to spare, with ZP electronic ignition engines that share many of the core components used in world-famous Zenoah magneto engines. And, like the magneto engines, they’re built for modelers who value dependability and ease of use above all else.

What sets ZP engines apart is their sophisticated electronic ignition system that saves weight and makes hand starts easy. The system can be powered with everything from 4.8V Ni-Cd or Ni-MH packs to 2S 7.4V Li-Pos. No power regulators are required, and the current draw is so low, you’ll be able to use smaller capacity battery packs and save weight or go with bigger packs and enjoy more flights between charges.

Because the electronic ignition system eliminates the need for magnetos or a PTO shaft, ZP engines are significantly lighter as well. This reduced weight, coupled with their impressive torque numbers, makes it possible to achieve thrilling power-to-weight performance.


Product Specifications


Benchmark Prop APC 16 x 6 @ 9000 rpm
Bore 1.26 inch (32mm)
Carb Type Walbro
Crankshaft Threads 8 x 1.25mm
Cylinders Single
Cylinder Type Ringed, Nikasil-plated
Displacement 1.22 cu. in. (20.00 cc)
Engine (Only) Weight 33 oz (0.9 kg)
Power Type Gas
HP 2.1 hp @ 9000 rpm
Muffler Type Custom Can (included)
Muffler Weight 5.0 oz (146 g)
Prop Range 15 x 8 - 16 x 8
Recommended Fuel 32:1 Gasoline/Oil Mix
RPM Range 1,400?10,000
Stroke 0.98 inch (25mm)
Total Weight 41.6 oz (1.2 kg) with muffler, ignition and mount