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Fuji Imvac - FJIG4440 FJI0011230290 0011230290 837468000057 0837468000057
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Fuji Imvac Cylinder Set BT-86
Fuji Imvac Cylinder Set BT-86
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Tech Notes
This is the Fuji Imvac Engine cylinder for the BT-86 Twin
The cylinder assembly is the portion of the engine that holds the spark plug
This part includes what is sometimes called an Engine Block
and Engine Head as one complete unit.


This is also called the Upper (top) Crankcase
Chrome plated internal construction for long life
Blue painted aluminum assembly


One Cylinder Assembly
One Gasket


Assembly onto BT-86 Twin Fuji Imvac engine
All other components that are part of the cylinder


Length: 81mm ( 3.2")
Width: 72mm (2.85")
Height from top of head to mount: 77mm (3.02")
Center distance between exhaust mounting holes: 39.5mm (1.55")
Elliptical exhaust port-
major axis length: 22.9mm (.90")
minor axis length: 15mm (.59")
Center distance between cylinder mounting holes: 48mm (1.90")
Gasket thickness: .5mm (.02")


There is no separate cylinder liner or sleeve.
Fuji Imvac is NOT related to the original Fuji Engines sold by MECOA
cmc 10/02/01

– If you need more information, use these Fuji Imvac resources –
Email: enginesupport@hobbico.com
Web Site: http://www.fuji-imvac.com/
Phone: 217-398-8970
  Postal Address:
Fuji Imvac

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Parts Compatibility
Parts Compatibility for Fuji Imvac Cylinder Set BT-86
This item is a replacement part for the following:
 LXAEA4 Fuji Imvac BT-86 86cc Gas Twin Cylinder w/Dual Mufflers  (Parts List)
 LXGMP5 Fuji Imvac BT-86EI Gas Twin  (Parts List)

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