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Aeromarine (OPS - Zenoah Gas) Marine Engines

OPS82711US

.67 11cc/13cc Engine (Drum w/Std. Rod) $559.99

OPS .67/80
ABC Liner/Piston, OPS Classic 3+2 port design, additional piston and sleeve by-passes to increase power at top RPM by 10%, and to optimize cooling and lubrication of piston and rod. New perfectly matched drum valve for more dependability and more efficient fuel usage.

  • Displacement-11cc/13cc
  • Power-4.35/4.65HP
  • Bore-24.58/27.00mm
  • Stroke-23.00mm
  • RPM-23000/23200
  • Weight-680/730g
$369.99
OPS82811US

.67 11cc/13cc Engine (Drum w/Needle Rod) $579.99

$379.99
OPS85002US .80 13cc Engine (Drum w/Std. Rod) $559.99

.80 (13cc)
Note: .67 Engines share many parts with .80

$379.99
OPS85003US .80 13cc Engine (Drum w/Needle Rod) $579.99 $389.99
OPS87110US

.45 7.5cc Marine Engine w/Pipe $399.99

OPS .45  (7.5cc)
ABC Liner/Piston, rotary valve, carb w/idle needle or slide valve with optimal progression from idle to full speed, bronze bushed high rpm rod, cylinder transfers with by-passes and top domed exhaust port to give the highest performance and reliability.

  • Displacement-7.43cc
  • Power-2.60HP
  • Bore-22.00mm
  • Stroke-19.5mm Weight-465g
  • RPM-24000
$275.99
OPS877700US

.21    3.5cc Side Exhaust Engine w/Pipe $299.99

$189.99
OPS89001US

.90 14.87cc Engine w/Needle Rod $679.99

OPS .90
ABC Liner/Piston,OPS Classic 3+2 port design, ports timed for top performances in oval racing in monos or cats, laminar intake valve with driver on ball bearings and needle bearing con rod to give high reliability and performance.

  • Displacement-14.87cc
  • Power-6.05HP
  • Bore-27.00mm
  • Stroke-26.00mm
  • RPM-21000
  • Weight-1250g
$469.99
ZEN260PUM

G-260 Marine Engine 25.4cc  - no mount or Collet $439.99

 

$339.99
ZEN488CARB

Upgrade Carb for G-26 - bolt on better idle & power $119.99

$54.99
ZENG260PKG

"G-260 Marine Engine 25.4 cc w/Mount, Collet, Bellcrank Throttle $554.99" (Engine & Accessories Package)

$445.99