OK To Drill 1/4" Hole In The Frame Down Tube?

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30 Aug 2008 19:35 #234742 by Locozuna
Replied by Locozuna on topic OK To Drill 1/4
If I'm not mistaken those motor mount holes are bossed. And it could be like playin' Blackjack n' hitting on 20 with each hole being worth 10. You might get your ace but "I" ain't gonna do it! ;)

awww hell "Hit me!" :woohoo: :woohoo: :woohoo: :woohoo: :woohoo: :woohoo: :woohoo: :woohoo: :woohoo: :woohoo: :woohoo:


sorry I had to

KZ900LTD, KZ750LTD, KZ650, 72'Triumph Trident
"Over the Mountains
Of the Moon,
Down the Valley of the Shadow,
Ride, boldly ride,"
The shade replied
"If you seek for Eldorado!"

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31 Aug 2008 15:21 - 31 Aug 2008 15:21 #234830 by bountyhunter
Replied by bountyhunter on topic OK To Drill 1/4
Locozuna wrote:

If I'm not mistaken those motor mount holes are bossed.


Not sure exactly what that means, but the holes go all the way through the tube. Looks like there are short (maybe 1/2" long) tubes welded on each side of the holes to create flat surfaces for the brackets and bolt heads and nuts to lay against.

1979 KZ-750 Twin
Last edit: 31 Aug 2008 15:21 by bountyhunter.

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31 Aug 2008 16:17 #234841 by steell
Replied by steell on topic OK To Drill 1/4
I think those tubes go all the way through, and that's what we are talking about when we say "boss".

They help to reinforce the frame where it's been drilled.

KD9JUR

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31 Aug 2008 16:41 #234844 by Locozuna
Replied by Locozuna on topic OK To Drill 1/4
Done right with quality welding it is stronger than before.

KZ900LTD, KZ750LTD, KZ650, 72'Triumph Trident
"Over the Mountains
Of the Moon,
Down the Valley of the Shadow,
Ride, boldly ride,"
The shade replied
"If you seek for Eldorado!"

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31 Aug 2008 19:05 #234875 by bountyhunter
Replied by bountyhunter on topic OK To Drill 1/4
steell wrote:

I think those tubes go all the way through, and that's what we are talking about when we say "boss".

They help to reinforce the frame where it's been drilled.


OK, I understand.

1979 KZ-750 Twin

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31 Aug 2008 20:43 #234894 by peanut
Replied by peanut on topic OK To Drill 1/4
how about makeing a bracket to go from an existing hole down to where you need to attach the crash bar.

peanut

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31 Aug 2008 22:18 #234902 by bountyhunter
Replied by bountyhunter on topic OK To Drill 1/4
peanut wrote:

how about makeing a bracket to go from an existing hole down to where you need to attach the crash bar.


I have been looking at it but it would be very difficult. I don't have a welder.

1979 KZ-750 Twin

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