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Fuji Engines Gasoline Power Plants

Electronic Ignition Engines

Starting most gasoline engines can require flip after flip after flip. Starting a Fuji engine with the EIS usually takes just one. Here's why.

In most engines, the engine creates the ignition spark but only when the prop hits a fairly high number of rpm. But in Fuji EI engines, the EI unit creates the spark by stepping up the power of the common 4.8V battery to 10,000 hard-cranking volts. Since the spark is already there, the engine can catch at far lower prop rpm. And when prop rpm requirements drop so does the time and effort it takes to reach them.

The solid-state controller box is sealed and protected against moisture, vibration and temperature and designed for firewall mounting. That reduces the rotating mass on the shaft and minimizes the chances of vibration. Already wired and ready for installation, with spark plug cap and standard 2-pin battery connector attached.

Lighter and more compact than conventional magneto systems, this rpm sensor detects and automatically adjusts timing for easier starts and more power at any rpm.

  • CNC-machined parts
  • Walbro™ butterfly carburetors with regulating pump
  • True chrome-plated cylinder
  • Ball bearing-supported crankshaft and camshaft
  • Dynamically balanced flywheel, prop hub and crankshaft
  • Direct, designed-for-R/C throttle linkage
  • Muffler heat transfer shield
  • Heat-resistant paint on the cylinder head
  • Custom firewall mounting system
  • Compact, high-performance scale muffler

Fuji Engines: First with FairWeights™

Instead of "engine-only" weights, Fuji has provided FairWeights™ for all engines. FairWeights are the best and most realistic estimate of total "installed" weight available, because they include not only engine weight, but the weight of muffler(s) and all necessary hardware.

BT-24EI

Part No.PHOTODescriptionCARTPrice
FJI BT-24EI   Engine 24cc, BT-24EI, Fuji FJIG0125 $379.99*
Prices With * Include Ground Freight (48 States).

Compact power with electronic starting ease.

Good news for pilots of .90-1.20-sized aircraft: the BT-24 gasoline engine is now available with electronic ignition.

  • Besides easier starting, modelers will also enjoy higher top-end rpm and smoother idle - it's the best of both worlds.
  • The BT-24 features easy, straight out throttle linkage, with the power to easily turn 16" and 18" props.
  • The small, compact muffler fits into cowlings more easily.
  • A motor mount flange is included that makes mounting a breeze.
Part # BT-24EI
Displacement (cu in/cc) 1.46/24
Practical rpm Range 1,200-11,000
Output: 2.2 hp @ 11,000 rpm
Weight w/ Muffler: 2.4 lbs
Includes muffler, Champion spark plug

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BT-34EI

Part No.PHOTODescriptionCARTPrice
FJI BT-34EI   Engine 34cc, BT-34EI, Fuji FJIG0134

Fuji-Imvac's BT-34 gasoline engines offer more displacement that the BT-32, for more power and performance - along with a new crankcase design and easier mounting!

  • Other upgrades include a dual ball bearing-supported crankshaft and redesigned scavenger port.
  • The rear-mounted muffler is very lightweight, and compact for fitting inside more cowls to preserve scale looks.
  • Comes with a quality Walbro carb and Champion spark plug.
  • Excellent power-to-weight ratio, higher top-end rpm and lower idle rpm of the BT-34EI with Electronic Ignition System!
Part # BT-34EI
Displacement (cu in/cc) 1.95/34
Practical rpm Range 1,200-10,000
Output: 3.2 hp @ 10,000 rpm
Weight w/ Muffler: 3 lbs
Includes muffler, prop hub, Champion RCJ6Y spark plug, Walbro WT407 carb

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BT-43EI-2

Part No.PHOTODescriptionCARTPrice
FJI BT 43EI   Engine 43cc, BT-43EI-2 Version 2, Fuji FJIG0144 $479.99*
Prices With * Include Ground Freight (48 States).

With the BT-43EI-2, there's power to spare up front, gas economy to gain and EIS starting ease to enjoy - and it's all backed by an industry-leading 3-year factory warranty.

  • Great for aerobats and warbirds alike and a powerful, compact alternative to 1.60 glow engines.
  • Burns an inexpensive gasoline/oil mix that provides more minutes of flight per tank - and more hours of life over the long haul.
  • Sleek, space-efficient design minimizes crowding in cramped cowls, leaving room for easier installation and more thoughtful layout.
  • No-starter shaft design, three crankshaft bearings and a dynamically balanced crankshaft, prop hub and flywheel contribute to longer life and smoother operation, by minimizing vibration that can cause engine and airframe stress, wear and electrical "noise".
  • On-board EIS (Electronic Ignition System) automatically adjusts engine timing for easy starting - and "sparks" virtually effortless flip-starts with a small 4.8V battery pack.
  • Included Walbro carb includes made-for-R/C throttle linkages and provides swift, pinpoint control at all throttle settings.
  • Includes a factory-tapped prop hub and self-adhesive friction disc pads.
  • Offers the benefits of all other Fuji-Imvac gasoline engines: true chrome-plated cylinder, CNC-machined parts and heat-resistant paint on the cylinder head.
Part # BT-43EI-2
Displacement (cu in/cc) 2.6/43
RPM Range 1,200-11,000
Output (hp @ rpm) 4.2 @ 11,000 rpm
FairWeight (lb/kg) 3.5/1.6
Includes EIS (Electronic Ignition System), muffler, prop hub, spinner bolt, Champion RCJ6Y spark plug, Walbro HDA222 carb
Required: unleaded gasoline, 4-cell NiCd/NiMH pack.

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BT-50EI

Part No.PHOTODescriptionCARTPrice
FJI BT 50EI   Engine 50cc, BT-50EI, Fuji FJIG0087 $499.99 
  • Lightweight, 3.0cc power plant for flight offers the best power-to-weight ratio of any Fuji EI engine.
Part # BT-50EI
Displacement (cu in/cc) 2.85/46.5
RPM Range 1,100-9,000
Output (hp @ rpm) 5.2 @ 9,000
FairWeight (lb/kg) 4.7/2.14
Recommended props 20x10, 21x10 Carbon,
20x10 Wood
Includes Walbro carburetor, EIS, Champion RCJ6Y spark plug and wrench, muffler and mounting hardware, prop flange and bolt.
Required: Regular unleaded gasoline, engine oil, prop, engine kill switch and 4.8V NiCd or NiMH battery pack

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BT-64EI

Part No.PHOTODescriptionCARTPrice
FJI BT 64EI   Engine 64cc, BT-64EI, Fuji FJIG0088 $549.99*
Prices With * Include Ground Freight (48 States).
  • Big, 3.8cc displacement makes it Fuji's largest single-cylinder model.
  • Space-saving muffler helps preserve scale lines and looks, while minimizing exhaust noise.
Part # BT-64EI
Displacement (cu in/cc) 3.85/63.1
RPM Range 1,300-9,000
Output (hp @ rpm) 5.7@ 10,000
FairWeight (lb/kg) 5.1/2.32
Recommended props 22x12 Carbon
Includes Walbro carburetor, EIS, Champion RCJ6Y spark plug and wrench, muffler and mounting hardware, prop flange and bolt.
Required: Regular unleaded gasoline, engine oil, prop, engine kill switch and 4.8V NiCd or NiMH battery pack

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