HPI Racing Nitro Star .21 BB Engine w/Pull Start

Tower Stock# LXDLL9  •  Manufacturer Stock# 1401
HPI Racing Nitro Star .21 BB Engine w/Pull Start (large view)
Notes from our tech department:
This is the Nitro Star .21 engine w/pullstart from HPI. It features full
ball bearings and comes w/pre-installed engine mount for use with the
HPI Savage truck. This is the stock engine for the HPI Savage.


ABC cylinder sleeve construction
Fully adjustable dual needle 7mm slide carburetor
Large aluminum heatsink head, Purple in color
Convenient pullstarter


One Nitro Star .21 engine.
One air filter cage
Two thick foam filter elements, pre-oiled
Two thin foam filter elements, pre-oiled
Two 6" zip ties
One 1.5mm allen wrench, for adjusting throttle arm position
One instruction booklet
One decal sheet


Fuel and starting equipment


Displacement: 3.44cc (0.21 ci. in.)
Weight, w/Savage mount: 490 grams (17.28 ounces)
Distance/cylinder head to bottom of mounting flanges: 3.86" (98mm)
Distance/top of cylinder head to bottom of crankcase: 4.41" (112mm)
Crankcase mount hole spacing, front to rear: 0.83" (21mm)
Crankcase mount hole spacing, left to right: 1.46" (37mm)
Savage engine mount bolt hole spacing: 1.575"(40mm) x 1.807" (46mm)


Engine can be detached from included engine mount to allow for
use with other nitro vehicles.
Replacement pull-starter is HPIG1428.
If engine mount to chassis screws are needed, use HPIC2792
The Nitro Star has the same mounting dimensions as the
OS 21RG-X(P).
NNA 2/11/03

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