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

Parts Compatibility

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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
Retail Price
49.99
Tower's Low Price
$41.99
Stock Status
In Stock
Limited Quantities

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O.S. Flex FS70-91S/70U/FL70/FS81A 330mm 1111D Add to Wish List
80.20  Buy Now 3.78  

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

Click here for Units of Measure Conversion Calculators

Parts Compatibility
 
Parts Compatibility for O.S. Flex FS70-91S/70U/FL70/FS81A 330mm 1111D
 
This item is an optional part for the following:
 LXEXP5 O.S. FS-70 Ultimate 4-Stroke w/Pump  (Parts List)
 LXBY61 O.S. FS-91 II Surpass 4-Stroke Ringed w/Pump  (Parts List)
 LXSY82 O.S. FS-91 II Surpass 4-Stroke Ringed w/o Pump  (Parts List)
 LXSZW5 O.S. 81FS-a Ringed 4-Stroke w/Muffler  (Parts List)
 LXWY29 O.S. Carburetor #60R FS70SII  (Parts List)
 LXCA59 O.S. Carburetor #60N FS91SIIP  (Parts List)

 
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