Johnson Service Bulletin #660 (1958) - 50 HP Magneto Bracket

Issued June 26, 1958, this factory bulletin announces a redesigned 50 HP magneto bracket using bumper #203290 instead of the earlier band-type bumper #510354. It identifies replacement bumper assembly #580287 and complete bracket assembly #580289, including their component numbers and original prices.

Johnson Service Bulletin letterhead
June 26, 1958Service Bulletin #660
50 H.P. Magneto Bracket

The 50 H.P. magneto bracket has been redesigned to eliminate the use of the original band type bumper part #510354. Part #203290 bumper is now used instead.

The following two assemblies have been set up and are now available as service items.

580287 bumper assembly. This assembly, consisting of part #203290 bumper and part #510395 instruction sheet, should be used as replacement for original band type bumper.

Order part #580287 from your parts distributor at $.05 list less regular discount.

580289 bracket assembly. This assembly, consisting of part #203290 bumper and part #510346 bracket, should be used when ordering magneto bracket complete.

Order part #580287 from your part distributor at $3.20 each less regular discount.

JOHNSON MOTORS
Walter McLeod
Walter McLeod
Service Department
WM/lw
Superior Service Spells Satisfaction

Parts referenced in this bulletin

580287 - Bumper assembly: bumper #203290 and instruction sheet #510395. Original list price $0.05.

580289 - Magneto bracket assembly: bumper #203290 and bracket #510346. Original list price $3.20.

Transcription note: The final ordering instruction in the factory bulletin says “580287” under the 580289 bracket assembly description. The original wording is retained above.

Back to factory service bulletin index