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O.S. - OSMG2689 OSM72108130 72108130 531028601918 4531028601918
Manufacturer Stock#
72108130
A Closer Look at This Product
  Tech Notes

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O.S. Flex FS70-91S/70U/FL70/FS81A 330mm 1111D
 
O.S. Flex FS70-91S/70U/FL70/FS81A 330mm 1111D
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Parts Saver Eligible:Yes

 
Stock Number
LXXE98
Stock Status
Discontinued
 
 
 

Tech Notes
 
NOTES FROM OUR TECH DEPARTMENT
This is the Flexible Exhaust Extension for the O.S. Max FS-70
and the FS-91 Surpass Four Stroke Engines.
This flex pipe allows you to re-route your silencer further away from the
engine or cowl.

FEATURES

Uses the silencer (muffler) that came with the engine.
Re-routes the exhaust to a more convenient location.
Fits all FS-70 and FS-91 Surpass and Surpass II's.

INCLUDES

One Flexible Exhaust Extension for the O.S. Max FS-70 and the FS-91
Surpass Four Stroke Engines with two locknuts and instruction sheet

REQUIREMENTS

Threading pipe into exhaust port of engine until it stops, then
tightening locknut. Supporting end where silencer is attached to
avoid vibration.

SPECIFICATIONS

Length: 12-3/4" (324mm) not including threaded ends
Length: 13-7/8" (353mm) overall
Diameter of flex pipe: 7/16" (11mm)
Inner Diameter: 1/4" (8mm)
Thread size, both ends: M11x.75 (pitch)

COMMENTS

Bends in the pipe should be made as far away as possible from the
threaded ends. Final adjustment should be made in steps of only 2-
3 degrees at a time. Repeated adjustment to change the shape of
the pipe may weaken the pipe and cause it to break.
JXS 4/16/01
ir/jl
updated jpg 11/8/06

– If you need more information, use these O.S. resources –
Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
  Postal Address:
O.S.
3002 N. APOLLO DRIVE, SUITE #1
CHAMPAIGN, IL 61822

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