Key facts
Start here

FUJI IMVAC BT-86EI Manual
This document is the Operator's Manual for the Fuji-Imvac BT-86El, a 5.25 cu in (86.0cc) displacement 2-cycle engine designed for use in model aircraft. The manual provides essential safety warnings, technical specifications, and recommended accessories such as propellers and spark plugs.
Read onlineFUJI BT-86El specifications
| Displacement | 5.25 cu in [86.0cc] |
|---|---|
| Output | 7.5hp @ 8,500 rpm |
| Ignition Style | Electronic Ignition System |
| RPM Range | 1,100 - 8,500 |
| Fuel Type | Gas/2-cycle engine oil |
| Weight w/Mufflers | 7.5 lb [8.3kg] |
Source: FUJI IMVAC BT-86EI Manual
All FUJI BT-86El documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the recommended spark plug?
The recommended spark plug is a Champion RCJ-6Y or 7Y.
What is the recommended propeller gap?
The plug gap should be 0.4mm to 0.6mm [0.016" to 0.024"].
What battery is required for the Fuji-Imvac BT-86 electric starter?
The starter requires a 10-cell 1900mAh battery.
From: Fuji-Imvac BT-86 Electric Starter Installation Instructions
Can the BEC circuit power the receiver of an airplane?
No, the Battery Eliminator Circuit (BEC) is rated at 1 Amp and cannot handle more than three regular sized servos.
From: Fuji-Imvac BT-86 Electric Starter Installation Instructions
