Inserting the Welsh Plugs in a Mk3 Swingarm - Red Alert

Guys,

Thanks for the many replys to my problem. I've just disassembled the swingarm again (3rd time) and stared hard at the new spindle pin. This part 06-4699 is TOO LONG by 5/16" on each side!!!! The cotter pin cuts line up perfectly with the original spindle (and the frame), but the ends extend out to the tube shoulder, preventing the RHS welsh plug from seating and dislodging the LHS plug while wacking the RHS plug. There are bad parts out there. The proper (and original) length for the spindle is 6-5/16", whereas the replacement part is 6-15/16" in length. In all other attributes the replacement spindle is identical to the original part.
The shop that sold me the part will machine it to proper length tomorrow; new felts and Welsh plugs will arrive Friday.

Those out there who have reported similar problems with the seating of the Welsh plugs may want to check the spindle length the next time you are faced with removing the swingarm.

The LHS plug was still impossible to seal tightly, even without the complication of the spindle length, and a heavy dose of RTV looks to be the best method.

You may have a pin for the earlier screwed end plates with cotter pin slots added to fit the MK3 cradle, this is listed in the RGM catalogue as a new number. It looks to have been mixed in with the MK3 pins.

kommando said:

You may have a pin for the earlier screwed end plates with cotter pin slots added to fit the MK3 cradle, this is listed in the RGM catalogue as a new number. It looks to have been mixed in with the MK3 pins.

Click to expand...

Thanks for the insight, Kommando. I've returned the part, rather than attempt to machine it down; it's quite hard. Got a new one comming from OldBritts (they confirmed the proper length). The only good to come out of this is that I can now disassemble and reassemble the swingarm in less than an hour.