Traxxas TRX 2.5R Racing Engine w/Pull Start

Tower Stock# LXJFG3  •  Manufacturer Stock# 5207R
Traxxas TRX 2.5R Racing Engine w/Pull Start (large view)
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Notes from our tech department:
This is the Traxxas 2.5R Racing Engine with IPS
(Integrated Pilot Shaft) and Pull-Start.
For use in all Traxxas vehicles that use the TRX 2.5 engine.

** This engine is a .15 engine. The 2.5 refers to a measurement of Cubic **
Centimeter displacement compared to Cubic Inch displacement (.15).
60% More Power that the TRX Pro .15 engine!
Loaded with advanced features such and the free-flowing rear exhaust, the
unique composite slide carb, and innovative porting only found on the most
exotic racing engines.

FEATURES

Slide carburetor provides less restrictive, straight through airflow
for more power and better throttle response.
PowerTune head is machined from aluminum which promotes even heat
distrubution for stable engine temperatures and rock-solid tuning
New sleeve for improved engine efficiency and better power.
Molded head protector prevents damage to the head and secures the
glow plug wire.
Ultra-low restriction air filter provides superior air flow and
filtration for more power and a long engine life.
Offset wrist pin further reduces piston slide loading for more
even cylinder wear and longer engine life.

INCLUDES

One 2.5 (0.15cu in) Engine with Pull Starter w/flywheel nut
One 90 degree air filter (includes base for upright mounting)
One 22 chapter Engine Set-up DVD
One Owners manual/instruction booklet
One bottle of air filter oil
One Decal sheet
One pre-installed glow plug

REQUIREMENTS

Muffler (exhaust system) depending on vehicle
Starting equipment
Traxxas 10-20% "Top Fuel" nitro fuel. TRAP5010 or TRAP5020

SPECIFICATIONS

Displacement: 0.15 cu in (2.49cc)
Crankshaft Thread: 5mm (.197")
On-Center Mounting Holes, Front to Rear: 11mm (.433")
On-Center Mounting Holes, Side to Side: 31.4mm (1.24")
Back of engine(recoil)to front of drive washer: 73.2mm (2.88")
Height: 97.3mm (3.83")
Exhaust Port Diameter: inner - 9.9mm (.392")
outer - 13.0mm (.512")

COMMENTS

This engine shares the same mounting dimension as the O.S. 12-15 CV
Series recoil engines.
Do not use the O.S. Max LC3 glow plug with this engine.
Per Traxxas, the McCoy MC-8 glow plug (MCCG3128) can be used in this
engine
The TRX 2.5R (REVO) engine has a different cylinder head, crankcase,
and sleeve than the TRX 2.5. All of the upgrade parts from the TRX
2.5R will fit on the TRX2.5

The photo on the ID is incorrect. MAF kpm12/30/2004
ir/jxs
updt jxs 4/19/06

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