This is the #855 Muffler for the OS Max .91 & 108 FSR engines.
It attaches to the engine by way of the included adapter plate.
FEATURES: Aluminum construction
Two piece design
INCLUDES: One assembled #855 Muffler
One Muffler Adapter Plate OSMG2558
Two 4x18mm Hex Head screws OSMG6931
Two 4x15mm Hex Head screws OSMG6931
One 3.5x12mm Hex Head screw OSMG6931
One Pressure Fitting, installed
One 3mm Allen Wrench
One instruction sheet
REQUIRES: None, item is a stock part
SPECS: Length: 171.5mm (6.75")
Body Diameter: 48mm (1.89")
Muffler Exhaust Port Opening: 24.5mm(.96") x 19mm( .75")
Muffler Mounting Holes, on center: 52mm (2.05")
Adapter Thickness: 9.5mm (.38")
Adapter mounting holes, on center: 35mm (1.38")
COMMENTS: Adapter plate takes the round/oblong exhaust port that is on the
engine, and makes it possible to mount the #855 muffler.
For muffler assembly screw use OSMG6930
NNA 2/7/02
updated tjt 042205
Click here for Units of Measure Conversion Calculators