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·
Always use a balanced spinner and a balanced prop. An unbalanced spinner
and prop combination will cause high levels of vibration and may cause the
propeller shaft to break.
·
Always use a lightweight spinner on your engine. Lightweight spinners are
considered to be those with a cone wall of 1mm or less. Heavy spinners could
cause the propeller shaft to break.
·
Securely tighten the spinner and prop on the engine to prevent it from being
thrown off the engine while running.
·
Never use a prop that has hit the ground. Even though it may look good from
the outside, it may be cracked on the inside which may cause it to disintegrate
while in use. Do not use a nicked, cracked or split propeller.
·
Keep foreign objects away from the propeller. Make sure that nothing can be
"sucked in" by the propeller. Never start the engine on loose gravel or sand.
·
Keep onlookers away from the running engine, specially small children.
·
Do not attempt to stop the engine by throwing anything into the path of the propeller.
·
Make sure the fuel line is well-secured to the engine and to the fuel tank so that
it won't come off in flight.
Operator's Manual for BT-64
Manufactured by FUJI IMVAC INC.
YOKOHAMA, 235-0005 JAPAN
(except Japan)
Champaign, IL 61826 USA
www.fujiengines.com
SAFETY TIPS AND WARNINGS
SPECIFICATIONS
Displacement: 63.1cc [3.85ci]
Horsepower:
Ignition Style: CDI Automatic
R.P.M.:
Fuel:
Weight:
: Hobbico, Inc.
5.7HP / 9000rpm
Ignition Timing
1200 – 9000rpm
Mixed Gasoline
Approximately 2.6kg w/
Muffler [5.7 lbs]

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Summary of Contents for Fuji Imvac BT-64

  • Page 1 ™ Operator's Manual for BT-64 SPECIFICATIONS Displacement: 63.1cc [3.85ci] Horsepower: 5.7HP / 9000rpm Ignition Style: CDI Automatic Ignition Timing R.P.M.: 1200 – 9000rpm Fuel: Mixed Gasoline Weight: Approximately 2.6kg w/ Muffler [5.7 lbs] Manufactured by FUJI IMVAC INC. YOKOHAMA, 235-0005 JAPAN Worldwide Distributor : Hobbico, Inc.
  • Page 2: Preparing The Engine

    · Do not use silicone fuel line because it will be attacked by the fuel. Use vinyl or neoprene rubber fuel line. · Always secure the fuel line away from the cylinder head. The engine's heat can damage the fuel line. ·...
  • Page 3: Spark Plug

    2. Install the prop shaft on the flywheel. 3. Install the spark plug in the cylinder head. SPARK PLUG The recommended spark plug is a Champion RCJ-6Y. To avoid improper operation or possible engine damage, do not use any other type of spark plugs. The plug gap should be 0.016"...
  • Page 4: Before Operation

    2. Install the engine on the firewall using four 1/4" x 1-1/4" [6.4mm x 32mm] socket head cap screws, four 1/4" [6.4mm] flat or lock washers and four 1/4" [6.4mm] blind nuts. Use some thread locking compound, such as Great Planes ®...
  • Page 5: Starting Procedures

    STARTING PROCEDURES There are four recommended ways to start the Fuji BT-64A: A. Manual Starting: Note: Use a thick glove to protect your hand while hand starting the Fuji BT-64A Propeller Rotation Magnet Position of the 20˚ Pick Up magnets before flipping the propeller when hand starting the engine.
  • Page 6: Engine Adjustments

    B. Electric Starter Starting: 1. Make sure you use a good quality, lightweight aluminum spinner. 2. Have someone help you hold the airplane while you start it. 3. Make sure the ignition is OFF, close the choke plate on the carburetor and open the throttle slightly from the idle position.
  • Page 7 A. Normal high and low-speed needle settings: It is not necessary to change the needle settings if the engine runs smoothly. Normally only the “H” needle will need adjustment from time to time and only by a small amount. H: Open the needle 3/4 of a turn from the closed position (±1/4 of a turn in winter). L: Open the needle 1-3/8 turns from the closed position (±1/4 of a turn in winter).
  • Page 8 C. High Speed Adjustment: The high speed rpm and transition performance is adjusted with the high speed “H” needle valve. When adjusting, turn the screw about 1/8 of a turn each time. The position of the “H” needle will vary according to air temperature and field elevation.
  • Page 9 REPLACEMENT PARTS LIST (ENGINE) Key # Part No. Description Key # Part No. Description 1...FJIG3060......Ball Bearing 29..FJIG6640 .......Piston Ring 2...FJIG3150....Carburetor Gasket 30..FJIG6870 ......Prop Flange B 3...FJIG3220......Carb Insulator 31..FJIG6900 ......Pulse Fitting 4...FJIG3390......Clip (5.5mm) 32A ..FJIG7320......Shim (0.1mm) 5...FJIG3460.......Coil Mount Plate 32B ..FJIG7350......Shim (0.2mm) 6...FJIG3655 ......Collar (13mm) 32C ..FJIG7380......Shim (0.3mm) 7...FJIG3720...Box Wrench (17x19mm)
  • Page 10: Optional Accessories

    REPLACEMENT PARTS LIST (CARBURETOR) Key # Part No. Description Key # Part No. Description FJIG3280 ........Carburetor K ..FJIG5460 ......Inlet Screen A ..FJIG3000......Adjust Spring L...FJIG5670.....Low Adjust Screw B ..FJIG3750 ......Control Lever M..FJIG5790....Metering Diaphragm C ..FJIG4590 .....Diaphragm Cover N ..FJIG6240 ......Needle Valve D ..FJIG4650 ....Diaphragm Gasket P ..FJIG6990 ....Pump Body Complete E ..FJIG5010....High Adjust Screw...
  • Page 12 Entire Contents © Copyright 2002 FJIZ1164 for FJIG0064 V1.0...

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