FJIG0144     BT-43EI-2 43cc/2.6CI Gas Engine 

TECH NOTES

This is the Fuji Imvac BT-43EI-2 Gasoline Powered Airplane engine with
Electronic Ignition.
Ideal for aerobatic planes and 1.60-size engine applications.

*** 3-YEAR Limited Warranty Details on page 9 of manual***

FEATURES: Electronic Ignition System offers reliable starting in a smaller size
and weight than typical magneto systems
Walbro HDA222 carburetor with velocity stack to increase air flow
Three crankshaft bearings-one front, two center-help to lessen
vibration
Special back plate allows engine to bolt directly to firewall,
lowering overall weight and vibration and eliminating mounting
plate
Newly designed compact muffler constructed of steel
Friction disc pad keeps propeller from slipping on hub
Spinner bolt is predrilled and tapped for attaching a prop adapter

INCLUDES: Fuji Imvac BT-43EI-2 engine
Walbro Carburetor
Muffler FJIG6020 w/gasket FJIG5900
Two Muffler Bolts
EIS Unit FJIG1001
Prop Hub "A" FJIG7679
Prop Hub "B" (Prop Washer) FJIG6840
Grip Washer FJIG8540
Spinner Bolt FJIG8050
10mm Spinner Bolt Washer FJIG8775
Prop Bolt FJIG8360
8mm Prop Bolt Washer FJIG8680
Four M5x20 Cap Head Bolts
Champion RCJ6Y Spark Plug FJIG7470
Spark Plug Wrench
4mm Hex Wrench FJIG4920
One Instruction Manual

REQUIRES: 2-cycle oil, FJIP9910, engine ON/OFF switch

SPECS:  Displacement: 2.6 cu in (43cc)
RPM Range: 1000-11,000
Output: 4.2 hp @ 11,000 RPM
Weight: 3.5lb (1588g) approximate, with muffler
Length: 6.7" (171mm) front of prop hub to rear of engine mount flanges
3.5"  (88mm) front of prop hub to front of cooling head

Width: 6.8" (173.35mm) outside of velocity stack to outside of
muffler bolts
4.1"   (104mm) outside of engine mounting flanges
2.9"    (73mm) center of crankshaft to outside of muffler bolts
3.9" (100.5mm) center of crankshaft to outside of velocity
stack
Height: 6.2" (157mm) bottom of crankcase to top of installed spark
plug wire
4.9" (124mm) center of crankshaft to top of installed spark
plug wire

Mounting Hole Centers: 3.5" (90mm) side to side
1.8" (45mm) top to bottom

COMMENTS: Recommended Prop: 20x10 (TOPQ5240)
Oil Mixture: Page 4 of manual
Break-in: Page 6 of manual
Needle Settings: Pages 8 & 9
Spark Plug Gap: .4mm to .6mm covered on page 3 of manual

ACCESSORIES

THIS IS THE FUJI IMVAC BT-43EI-2 FOUR CYCLE GASOLINE ENGINE.
FEATURES EIS IGNITION W/RPM SENSOR TO ADJUST TIMING FOR EASIER STARTING, WALBRO
BUTTERFLY CARB, COMPACT STEEL MUFFLER, FRICTION PAD KEEPS PROP FROM SLIPPING
CHROME PLATED CYLINDER, BACKPLATE ALLOWS DIRECT BOLTING TO FIREWALL
REQUIRES: PROPELLER, FUEL, IGNITION BATTERY