LRP ZR.30X Competition Nitro Engine

Tower Stock# LXDYEP  •  Manufacturer Stock# 32815
LRP ZR.30X Competition Nitro Engine (large view)
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Notes from our tech department:
This is the LRP ZR.30 X Off-Road Truggy Engine.


LRP XTEC crankcase constructed of T6 aluminum, black in color
Aluminum body slide valve LRP XTEC carburetor with 9mm, 8.5mm and
7.5mm carb inserts
SG (pilot) type 14.0mm/10.0mm bore triple turbo scoop crankshaft
Lightened piston constructed of high silicium alloy
ABC cylinder liner construction "A"lloy piston with "B"rass cylinder
liner that is "C"hrome plated
Extra strong aluminum knife-edge shaped connecting rod with double
Ninety day limited warranty (non-European countries only)


LRP ZR.30 X Truggy Engine, 7.5mm, 8.5mm and 9.0mm carb inserts,
glow plug, tapered cone, parts list, decals, exhaust gasket and


Fuel with 25% nitro content, 2-stroke model car fuel
Exhaust system depending on application, Associated Factory Team
Muffler (ASCC6672) and Header recommended
Air filter, plug wrench and track equipment


Displacement: .30 cu in (4.92cc)
Exhaust: Rear, round
Bore: 19.20mm
Stroke: 17.00mm
Number of Ports: 7+1 (7x transfer, 1x exhaust port)
Power Output: 4.21 PS*
Max RPM: 38,300*
Weight: 12.3oz (350g)
Distance Between Mounting Holes Same Side: 0.87" (22mm)
Distance Between Mounting Holes Opposite Side: 1.5" (37.5mm)
Height/Bottom of Mounting Tab/Top of Cylinder Head: 3.9" (98.5mm)
Distance from Backplate to Front Bearing: 2.5" (64mm)
Distance from Backplate to End of Crankshaft: 3.7" (95.5mm)
Width at Mounting Tabs: 1.7" (43.5mm)
Width Below Mounting Tabs: 1.2" (31.2mm)
Diameter of Exhaust Outlet: 0.75" (19mm) including gasket
Carburetor Settings: Mid Range, 2.25 turns from closed
Main, 3 turns from closed
*Power Output and Max RPM may vary depending on fuel, exhaust system
and tuning

jxs 4/16/09

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