SUPER TIGRE G90


This is a SuperTigre G90, the updated version of the S90K.

The maindifferences between the two engines are that the G90 is a one-piece crankcase (S90K was a two-piece), and the G90's muffler is a bolt-through-the-crankcase (S90K muffler bolted onto the crankcase).

FEATURES:
Ringed piston
Schnuerle scavenged
Dual ball bearing-supported crankshaft
Unique bolt through muffler that uses muffler bolts, lock washers, and nuts to hold the muffler to the engine(no more stripped threads on the crankcase or muffler).
Advanced Bi-Metallic Liner. This process uses a double layer of plating material, rather than one thicker layer. This helps the metal to bond to the cylinder, and is more durable. Also, the plating process is more consistent, resulting in a more precise fit between piston and sleeve. The end result is better compression, and longer life.
3-year warranty.

INCLUDES:
One Assembled engine w/glow plug
One Muffler, Muffler Gasket, Exhaust Stack, Pressure Fitting, and Hardware Bag w/Bolts, Washers, Nuts, and Carb Retainer.
One Carburettor
One Set of Instructions, Parts Diagram, SuperTigre decals
SPECS: Bore: 1.803" (27.5mm)
Stroke: 0.976" (24.8mm)
Weight w/o muffler: 589g (20.66oz)
Weight with muffler: 765g (27oz)
Displacement: .90 cu in (14.73cc)
Output: 2.5 bhp at 14,800 rpm
RPM Range: 2,500-16,000
Width between centers of mounting holes: 50mm (1.97")
Length between center of mounting holes: 20mm (.79")
Width of crankcase excluding mounting flanges: 42mm (1.65")
Length from backplate to front of drive washer: 97mm (3.82")
Height from bottom of crankcase to top of head: 108mm (4.24")
Crankshaft size: 5/16-24
Suggested prop size: 12x8, 13x6

COMMENTS:
Since this engine uses the exhaust stack from the S-90K, some after-market mufflers will fit this engine (using the muffler screws from the G90) and some will not. Check the optionals in the Accessory Completion Guide for after-market exhaust systems that will work.



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