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.18 RE Pull Start

Owner's Manual

Congratulations on your purchase of a Dynamite

Platinum Series (DPS

™

) .18 racing engine! Precision

manufactured and assembled, your DPS .18 will

provide you with trouble-free performance if you read

and follow these instructions.

Using the Proper Fuel and Glow Plug

Using the proper fuel and glow plug is critical in order

to achieve maximum performance and reliability.

You must use fuel, glow plugs and air filters that

are specifically designed for model car/truck/buggy

applications.

Never use any type of model airplane

glow fuel!

Use of model airplane fuel can damage

your engine and immediately void any warranty.

We recommend using Dynamite Blue Thunder

Race Formula fuel with 20% nitro, providing the

best combination of power and fuel economy.

Dynamite Blue Thunder fuels are vigorously tested,

researched and formulated to deliver excellent power

as well as engine protection.

A glow plug has been included and is ideal for

breaking in your new engine. In fact, during the

break-in procedure, it is not uncommon to go through

one or two glow plugs, as microscopic bits of metal

(from the cylinder/piston wearing in) bond themselves

to the plug element causing glow plug failure. We

recommend the Dynamite McCoy MC59 Glow Plug

(DYN2508) as the absolute best glow plug for this

engine. The MC59 Plug has been designed to deliver

an ideal balance of performance and longevity.

All car engines must use a properly oiled air filter to

keep dirt out of the engine. Any dirt that enters the

carburetor can immediately destroy your engine. We

recommend DYN2612 as an excellent choice for a

quality air cleaner.

Carburetor Adjustments

Your DPS .18 engine comes equipped with a precision

rotary carburetor. Take a moment to review the pictures

below to familiarize yourself with the various functions

of the carb. Loosening the nut located on the side of the

crankcase under the carburetor body will allow you to

rotate the carburetor. Make certain to mount the throttle

arm to the side required by your particular vehicle.

Although preset at the factory, some changes in the

needle setting can occur during shipping and handling.

High-Speed

Needle Valve

™

Fuel Inlet

Leaner

(Adjustable)

(clockwise)

Idle Stop

Adjustment

Faster Idle

(clockwise)

Needle Settings

We suggest the following settings for breaking in

your engine:

High-Speed Needle: 2 turns out (counterclockwise)

Low-Speed Needle: 1 turn out (counterclockwise) from

When checking the adjustment of the low-

speed needle, it is crucial that the throttle

slide is closed completely when turning the

needle and that you do not over-tighten the

needle. Use an engine tuning screwdriver to

make this job easier. When you feel resistance

in the needle, immediately stop turning and

begin turning the needles counterclockwise,

counting the number of turns from "closed."

Low-Speed

Needle Valve

Starting Your Engine

for the First Time

The first start of your engine is the most critical time

of the engine' s life, dictating how well it will perform.

After installing the engine in your model and inserting

the glow plug, turn on your radio system and attach

a glow igniter to the glow plug. Place your vehicle on

Idle Stop

top of your starter box and engage the flywheel to your

Adjustment

starter wheel. Should the engine become difficult for

your starter box to turn over, the engine may be flooded

(hydro-locked). Excess fuel between the cylinder head

Low-Speed

Needle Valve

and piston will not allow the piston to travel through

its full range of compression, effectively "locking up"

the engine. Should this occur, immediately remove the

glow igniter from the plug. Using a glow plug wrench

(DYN2510), remove the glow plug and turn the model

upside down and rotate the flywheel to clear out the

fuel, re-install the glow plug and start again.

Slower Idle

We recommend using the DYNP5300 Quick-Fire

(counterclockwise)

Universal Starter Box to start your DPS .18. You may

need to "blip" the throttle on the transmitter (applying

throttle on/off) while trying to start the engine, as

new engines are more difficult to start due to the tight

piston/cylinder fit.

Never start an engine above 1⁄4 throttle.

Immediate damage to your engine can

and will occur.

When the engine starts, the exhaust should emit lots

of blue/white smoke, indicating that the engine is

from closed.

excessively rich (a good thing during break in). During

the first tank of fuel, you may wish to set a higher than

closed.

normal idle speed and/or leave the glow plug igniter

attached in order to keep the engine from stalling.

Drive your vehicle around while "blipping" the throttle

and avoid operating the engine at full throttle for

more than 2–3 seconds at a time. Consume the entire

first two tanks of fuel in this manner. After the first two

tanks of fuel, begin leaning out the high-speed needle

valve 1/8 turn at a time. It generally takes about 5

or 6 tanks of fuel before you'd want to start tuning

for "maximum" power.

Do not skip this process of breaking in a new

engine! Should you choose not to follow these

procedures, you risk damaging your engine

during the first tank of fuel.

Your patience during these procedures will be rewarded

by an engine that performs reliably and to its maximum

power potential. First run attempts can be more

frustrating than with other (less powerful) sport engines,

so take your time—it will be worth the wait. Glow

plug failure is a common occurrence when breaking

in a new engine. To test your plug, let the engine idle

at a properly adjusted low-speed needle setting with

the glow igniter attached. Then, remove the igniter. If

you hear no appreciable change in engine rpm, the

plug is still good. If the engine loads up and the rpm' s

decrease, it' s time to replace the glow plug.