MONDIAL FORMULA GO-KART RACING ENGINE

  

RACING SPECIFICATION
• Dual ball bearing block
• Electric start
• Specially cam ground, barrel-faced,
  moly coated domed piston
• Chrome-faced top ring
• Dual valve springs
• 3-piece automotive-style keepers
• Dished valves
• Nitrided exhaust valve
• Cast aluminum manifold with rubber mounting flange
• Racing designed combustion chamber
• Green air filter
• D-shape intake port
• Premier™ clutch with quick change
  sprocket set (16-17 tooth)
• Billet aluminum rod
• Walbro™ round slide carburetor
GENERAL SPECS
•Model/Type: 124435 8101-01
-Displacement: 12.48 Cu. in -- 200 cc
-Slant, 30 degree Overhead Valve Design
-Dual ball bearing Cylinder
-Dura-Boretm Cast Iron Cylinder Sleeve
-Bore: 2.6875/2.6885 in.
-Stroke: 2.2 in.
-Compression Ratio: 9.7 to 1
-Factory Timing: 28 degrees BTDC
-Recommended Oil capacity: 20 ounces
Oil Capacity:  20 fl. Oz. (.6 liters)
Armature Air Gap  .006/.014 in. (.15/36mm)
Compression ratio  9.7 to 1
Factory Timing  29.5 degrees BTDC
Starter battery requirements  12 volt @20 amp capacity -180 cold cranking amps
Exhaust system requirements  50 mm x 57 mm flex coupling
 50/90 2-cycle canister muffler
Fuel requirements  98 Octane (RON)
Filter specs  GREEN filter
Rev limiter specs  7100 +/- 50 rpm
Spark Plug Champion RG519HC
 
Torque Specifications:
Flywheel nut  55 - 75 ft. lbs. (74.5 - 101 Nm)
Flywheel holder  Part No. 19372
Starter clutch tool  Part No. 19244
Cylinder Head  180 - 220 in. lbs. (20 - 25 Nm)
Connecting Rod  90 - 110 in. lbs. (10 - 12 Nm)
Crankcase Cover or Sump  95 - 125 in. lbs (11 - 14 Nm)
Cylinder Head Plate (figure 1)  70 - 90 in. lbs. (8 - 10 Nm)
Rocker Arm Stud  70 - 110 in. lbs. (8 - 12.5 Nm)
Valve Cover  30 - 60 in. lbs. (3.5-7 Nm)
Spark Plug  95 - 145 in lbs. (11-16 Nm)
Valve Lash (Cold)
Both Intake and Exhaust  .005 - .007 in. (.127 - .178 mm)
Measure when piston is between  TDC or 22.76 degrees ATDC
(Piston is down .103 in. or 2.62 mm)
Spark Plug  95 - 145 in lbs. (11-16 Nm