Traxxas 2.5 Engine Multi-Shaft with Recoil Start TRA5209R
TRA5209R Traxxas 2.5 Engine Multi-Shaft W/Recoil Start

Traxxas 2.5 Engine Multi-Shaft with Recoil Start TRA5209R

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Traxxass TRX 2.5cc engine with pull-start has centimeter displacement compared to cubic inch displacement (.15). 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. Exhaust Header features an extra-tough, finned mounting base that dissipates heat and is sealed with a reliable O-ring gasket. Molded head protector prevents damage to the head and secures the glow plug wire. Innovative cast cylinder head is engineered for the most heat reduction possible. Tubular header features smooth, rounded bends to eliminate exhaust flow restriction and turbulence. 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. This engine shares the same mounting dimension as the O.S. .12-.15 CV Series recoil engines.

This package includes:

One 2.5 (0.15cu in) Engine with pull starter w/flywheel nut
One 25mm crankshaft end
One 15mm crankshaft end
One 90 degree air filter (includes base for upright mounting)
One 22 chapter Engine Set-up DVD
One owner's manual/instruction booklet
One bottle of air filter oil
One decal sheet


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

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")
Inner Exhaust Port Diameter:  9.9mm (.392")
Outer Exhaust Port Diameter: 13.0mm (.512")

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