Just stripped and repaired my 91 Westy Drain Plug/Hole myself. Total
explanation in the Archives. Basically they sell a kit at most every
FLAPS. I used STD threads, meaning take your drain plug in, you can
eyeball a larger "oversize" self-tapper to screw in place, I paid extra
for the tricky unit with a smaller steel plug inside the larger one that
is now removed for oil changes. Worked great, cost $4.50 USD's, easy to
install.

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Shalom                                                    87 GL
Mark Magee                                            91 Westy
Kemah TX USA                                      96 Suzuki 4WD Sport
John 14:6