Thread repair problems

[MarJay]

Hello,

I bought some helicoil style thread repair kits off of ebay for my RD350. The exhaust stud holes in the barrels were stripped, so I helicoiled the only one that wasn't already done.

Slight issue though, when I screw in the stud (or bolt) into the freshly repaired thread, it strips the thread from the bolt!

I'm certain the pitch and diameter are correct (M8 x 1.0mm) so I'm guessing something went awry with my fitting of the thread repair thing. Anyone know if they are easy to remove and start again? At the moment the bolt I've put in holds so its not a total disaster, but its not quite as good as I had hoped.

Any thoughts?
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British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track fun: GSXR750 L1; Commuter Missile: GSX-S1000F; Cheap project: CBR900RR FireBlade
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.

[Blue_SV650S]

Dude, don't hold me to this, but I thought the pitch was 1.25??? .. perhaps you have a fine thread tap/helicoil


I could be taking sh1te mind you ... but I suggest you google to check for sure ..
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The purpose of life is to fight maturity.

[sickpup]

It's M8x1.25 thread. I sell loads of the studs and brass nuts and they are pretty much always this thread pitch when going into Aluminium. Did you not check the tap in the kit against a stud?

[MarJay]

[MarJay]

I used a M8 x 1.0mm thread repair kit on an M8 x 1.25mm thread.

Stoopid. That'll teach me.

Anyone know where I can get an M8 x 1.0mm bolt?
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British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track fun: GSXR750 L1; Commuter Missile: GSX-S1000F; Cheap project: CBR900RR FireBlade
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.

[spitfire123]