SOHC.co.uk Forums > CB500/550

engine stud

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matthewmosse:
and put a bit of tape around the drillbit at the right depth as drilling right through to the inside is really not reccomended unless you like the engine to get coated in oil.

MikeM:
well I drilled in with m6 drill, tapped and heli coiled and sure I have done something wrong

drilled in length of bolt that snapped, not gone all the way through ( should I )

tapped it m6 by 1mm tap and then put in helicoil, stud replacement set( bought of ebay ) when you put in stud it pulls out helicoil

any recommendations... this is last part of bike and this is not right I can nearly pull out helicoil with my fingers


just noticed m6 tap just slides into hole :-\

getting close to  splitting this bike  :-\

ka-ja:
Hi,
    Is the tap a 6mm tap or a 6mm helicoil tap?

Bryanj:
If the helicoil pulls out you can search keensert or timesert which have a bigger outside diameter

Trigger:
O dear Mike, there is only 2 ways now. Go with a insert as Bryan has mentioned or if you know a good aluminum wielder that can do the job.   

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