Bisson Inverted Muffler O.S. .91 FX 4093

This is the Bisson Inverted Muffler for use with the O.S. Max .91 FX 2-stroke engine, OSMG0591.

Features

• Bisson Inverted Muffler O.S. .91 FX 4093

• Pre installed pressure nipple

• For use with .91FX when engine is mounted upside down (inverted)

• No mounting bolts included

Specifications

• Length overall: 5" (127mm)

• Length neglecting exhaust outlet: 3.25" (82.5mm)

• Distance between mounting hole centers: 1.7" (43.17mm)

• Width: 2.24" (56.9mm)

• Height: 1.37" (34.84mm) including mounting flange

Contents

• One Bisson muffler for inverted .91FX with pre-installed fitting

Requirements

• O.S. .91 FX

• Mounting bolts (OSMG6925)

Comments

• This muffler is used in an application where the engine is mounted upside down (inverted). For side mounted applications an individual would use a Pitts style muffler such as BISG4091.