Associated LRP Z.18S Pro Pull Start Car Engine is of ABC cylinder construction, "A"luminum piston,"B"rass cylinder liner that is "C"hrome plated. LRP standard type R3 glow plug. Rotary carburetor with 6mm venturi. Standard crankshaft. 90 day limited warranty

INCLUDES: Associated LRP Z.18S Pull Start Pro Car Engine with glow plug,      drive washer, tapered collet, two sheets LRP decals, instruction      manual

REQUIRES: 2-stroke model car fuel with at least 16% lubricant content      and not more than 30% nitro
Glow starter, air and fuel filters, fuel tubing and track      equipment

SPECS: Displacement: .18 cu in (2.95cc)
Bore: 0.625" (15.9mm)
Stroke: 0.579" (14.7mm)
Number of Ports: 3+1 (3 intake, 1 exhaust)
Piston: CNC machined high silicium alloy
Connecting Rod: Fork shaped aluminum using double bushings
Power Output: 1.51 PS
Usable RPM Range: 3,000-31,000
Weight: 9.5oz (270g)
Carb. Needle Settings, Mid Range: 3-5 turns, Main: 4 turns

Distance Between Mounting Holes Same Side: 0.39" (11mm)
Distance Between Mounting Holes Opposite Side: 1.26" (32mm)
Height/Bottom Mounting Flanges to Top of Cylinder Head: 2.95" (75mm)
Height/Bottom of Crankcase to Top of Cylinder Head: 3.46" (88mm)
Length from Pull Starter to End of Crankshaft: 3.54" (90mm)
Length from Pull Starter to Front Bearing: 2.70" (68.7mm)
Length from Center of Crankcase to End of Crankshaft: 2.0" (51mm)
Distance Between Muffler Mounting Holes: 1.08" (27.5mm)
Width of Exhaust Opening: 0.87" (22.2mm)
Height of Exhaust Opening: 0.23" (5.8mm)