MOTORUN ENGINE TOOLS PRO- 4 STROKE AND 2 STROKE CALCULATOR Helps to Simplify Calculations and Calculations in Modifying 4 STROKE and 2 STROKE engines which might be very helpful in the world of motorbike racing and daily use

4 STROKE CALCULATOR:

ENGINE VOLUME
CAMSHAFT
- DURATION
- LSA
- OVERLAPPING
POLISH PORTING
- 2 VALVE (METHOD 1/2)
- 4 VALVE
VALVE
- ELEVATOR
- DIAMETER
- SELECTION OF SHIM
COMPRESSION RATIO
- STATIC
- DYNAMIC
EFFECTIVE STROKE
PISTON SPEED
MACHINE RPM SAFE LIMITS
CARBURETOR
- 4 STROKE VENTURES
- IDEAL SIZE (METHOD 1/2)
- REAMER
KNALPOT RACING
ACCELERATION AND TOP SPEED
- TOP SPEED POTENTIAL
- WHEEL OUTSIDE DIAMETER
- FINAL GEAR RATIO
POTENTIAL TORQUE AND DK


2 STROKE CALCULATOR:
MACHINE VOLUME CAPACITY
COMPRESSION RATIO
- COMPRESSION RATIO
- FUEL MIXED RATIO
CLEARANCE
DECK CLEARANCE
PISTON CLEARANCE
GAP RING PISTON
HEAD SQUISH
- ANGLE
- WIDE
MACHINE DURATION
- INLET
- EXHAUST
- TRANSFER
PORTING
PISTON SPEED
SAFE LIMITS OF MACHINE ROTATIONS
CARBU SIZE
ACCELERATION AND TOP SPEED
- TOP SPEED POTENTIAL
- WHEEL OUTSIDE DIAMETER
- FINAL GEAR RATIO