OS Motors GT22 w/Muffler Rear Carb

This is the OS Engines GT22 Gasoline Powered Engine with Muffler
and Rear Installed Carburetor.

FEATURES:
Beam mounting style permits engine to fit inside cowls that are
    sized for 2-stroke .60-.91 and 4-stroke 1.20 radiance engines
Customized designed rear mounted Walbro carburetor with choke rod guide
    incorporated into crankcase that decreases set-up time
IG-02 electronic ignition handles 4-6 cell NiCd, NiMH or 2-cell LiPo
    and LiFe batteries
Pitts style muffler has reinforced mounting bolt holes and webbing at
    high stress points
Two year minimal service warranty through Pastime Provider beginning at date of
    purchase

CONSISTS OF:
GT22 Engine with Muffler, Electronic Ignition Module, CM-6 Glow Plug
    Muffler Gasket, Muffler Bolts and User's Manual

REQUIRES:
2-cycle oil with a mix ratio of 50:1 if utilizing Klotz design oil
    (if utilizing other brand, follow manufacturer's mix ratio or if no
    suggestion, mix at 30:1)
Ignition Battery: 4-6 cell NiCd, NiMH, or 2-cell LiPo
    LiPo battery needs voltage regulator
Propeller: 16x8, 16x10, 17x6, 17x8, 15x10 for break-in
Gasoline safe fuel tubing and fuel filter

SPECS:
Displacement: 1.35 cu in (22 cc)
Bore: 1.26" (32mm)
Stroke: 1.08" (27.5mm)
Practical RPM Variety: 1,800 - 9,000
Output: 2.66 hp @ 9,000 RPM
Weight:
    Engine: 26.86oz (761.6g)
    Muffler: 4.68oz (132.6g)
    Ignition Module: 3.7oz (105g)
Initial Needle Positions: High Speed Needle-two turns open
    Low Speed Needle-one and a half turns open
Range Between Mounting Hole Centers Exact Same Side: 0.98" (25mm)
Range Between Mounting Hole Centers Reverse Side: 2.2" (57mm)
Mounting Hole Size: 0.197" (5mm)
Length of Muffler Can: 3.9" (100mm)
Width at Mounting Tabs: 2.7" (70mm)
Width of Crankcase Below Mounting Tabs: 1.9" (49.4mm)
Height from Crankshaft Center/top of Cylinder Head: 3.7" (94mm)
Height from Crankshaft Center/Muffler Mounting Hole Centers: (48.4mm)
Length from Drive Hub to Carburetor: 5.5" (139.5mm)
Length from Drive Hub to Center of Crankcase: 2.7" (68.5mm)
Length from Center of Crankcase to Carburetor: 2.8" (71mm)
Crankshaft Size: 5/16-24 UNF-2A