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Old 08 November 2007, 05:16   #1
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Country: UK - England
Town: Warrington/Anglesey
Make: Menai 480SR.
Length: 4m +
Engine: Tohatsoooooooo 70hp
Join Date: Sep 2005
Posts: 665
Boysen reed Valves


Has any 2stroke owners out there fitted Boysen power reeds? I presume that some of the Zapcat boys fit em on the Twatsooo 50hps.

My 70hp Twatsooo with a 17p prop pushes my 4.85m rib along at 41 mph (GPS) at 5800rpm.
Are Boysen reeds better for hole-shot or top speed or neither?

Does anybody know what kind of performance improvement , if any these type of reed valves would have on my setup.


life's full of ups "n" downs.
yoyo is offline   Reply With Quote
Old 08 November 2007, 07:04   #2
Country: USA
Town: boston
Boat name: Miss bad 61
Make: Crapko, AKA Mako
Length: 5m +
Engine: OMC Mod50
Join Date: Apr 2006
Posts: 398
they won't make any notable dif' for you,steel reeds tend float and or bounce
at about 6000+ rpms, reeds alone will not do much if any thing for your hull.
at 5800 ya don't need them at 8800 best have them.
fast fred is offline   Reply With Quote

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