DeNardis made SS series engines are built to same spec as Morini Franco S6 type engines. Our engines can be bolted into existing bike frames that used a S6 engine without any mounting issues. Most all parts from Morini S6 and DeNardis SS Series engines will cross reference. Huge parts inventory in stock and available for fast world wide shipping!

*Please note if switching out a S5 engine with a S6 or SS engine; the frame engine mounts, exhaust pipe and carb will need to be replaced or modified.

SS Econo Engine:

50cc 2-stroke engine built to Morini Franco spec S6E, approx. 5.5HP

Retails for $599, On Sale for $425!

DENARDIS SS ECONO ENGINE
Price: $425.00
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SS Sport Engine:

50cc 2-stroke built to Morini Franco spec S6S, approx. 8 HP

Retails for $699, On Sale for $499!

DENARDIS SS SPORT ENGINE
Price: $499.00
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ENGINE SPECS
ENGINE TYPE
 50cc SINGLE CYLINDER, TWO STROKE AIR COOLED
CYLINDER
 SS-S MODEL ALLUMINIUM OR SS-E MODEL STEEL 
INTAKE
 CYLYNDER VACUUM WITH 4 PEDAL REED VAVLE
EXHAUST
 EXPANSION CHAMBER WITH SILENCER
BORE STROKE
 1,54 x 1,64" OR 39MM x 41.7MM
DISPLACEMENT
 49.8 cc
HORSEPOWER
 7 HP WITH 14MM CARB OR 9 HP WITH 19MM CARB
TRANSMISSION
 SINGLE - SPEED WITH ADJUSTABLE CENTRIFUGAL WET CLUTCH
TRANSMISSION GEAR
 SINGLE-SPEED
OIL CAPACITY TYPE
 75 WEIGHT GEAR OIL- BRAND MAXIMA 
PRIMARY DRIVE
 STRAIGHT TEETH GEARS
GEAR RATIO
 not available
FINAL DRIVE
 SPROCKET & CHAIN - SIZE 415 OR 420 CHAIN SIZE 
SPARK PLUG
 CHAMPION L78C OR NGK BR8HIX OR NGK BR8HS
FUEL & OIL MIX 
 SUPER UNLEADED PUMP 
FUEL MIXTURE
 40:1
CARBURETOR
 MINIMUM SIZE 14MM OR MAXIMUM SIZE 21MM
MAIN JET
FOR SEA LEVEL ELEVATION MAIN JET #80 OR LARGER
IGNITION
 FLYWHEEL MAGNETO WITH COIL
TIMING SPECS
 FIXED AIR GAP (FIXED AIR CORE) .3 SECOND
RECOMMENDED OIL MAXIMA BRAND OIL