The Audio-Talk Motorcycling thread.
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#841 Re: The Audio-Talk Motorcycling thread.
They're really cool things... One of those things that I've always wanted to try but glad I haven't (yet) had to... Mind you, I have an old Landrover now...
Apparently, on Al to Fe threads, it's common for manufacturers to use them anyway to limit corrosion and especially on threads that are often adjusted/undone.
Cool things...
Apparently, on Al to Fe threads, it's common for manufacturers to use them anyway to limit corrosion and especially on threads that are often adjusted/undone.
Cool things...
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#842 Re: The Audio-Talk Motorcycling thread.
Yep, all the studs in my Ducati were helicoiled I assume from the factory.
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#843 Re: The Audio-Talk Motorcycling thread.
During the Redditch 350cc Bullet rebuild I asked a local(ish) engineering company to fit a couple for me because I was a bit apprehensive of doing it on my own especially as it was in a mission critical crankcase housing. They took ages because it was only a little job but this time seeing as its on a (still) readily available part I'm going to try it myself.jack wrote: ↑Sun Mar 21, 2021 9:27 am They're really cool things... One of those things that I've always wanted to try but glad I haven't (yet) had to... Mind you, I have an old Landrover now...
Apparently, on Al to Fe threads, it's common for manufacturers to use them anyway to limit corrosion and especially on threads that are often adjusted/undone.
Cool things...
I've even ordered some olde-worlde Temaxol cutting compound to ensure a clean cut and tiny 2" engineers square to make sure I'm drilling/cutting square and true. Sensible-head engaged!
I've considered it but it's too scary a proposition (for me) TBH Popz, the other threads were fine when I reassembled the head after getting the valve seats re-cut and the head mating surface skimmed, its just this one that let go so far. If another goes at a later date I'll reconsider again.
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#844 Re: The Audio-Talk Motorcycling thread.
It's easy dave, I did loads in the 90s on a couple of ariels I restored. The bit you have to be careful of is breaking the tang off, its easy to twist the bottom of the insert and the bolt wont go in fully.
I've only found one stripped thread so far on the bsa, on the gear box.
I've only found one stripped thread so far on the bsa, on the gear box.
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#845 Re: The Audio-Talk Motorcycling thread.
It's a bit late now, but the similar system and more effective Time-Sert would have been a better means of repair. I have found it provides improved performance over Heli-Coil inserts.
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#846 Re: The Audio-Talk Motorcycling thread.
Time-Sert, yep, that name came up when the local engineering company who did the helicoiling job on the Redditch Bullet a few years back. I looked at the Time-sert option Baggy but they don't seem easy to find in the UK in BSF sizes.
What little I have found are very very expensive too, eg https://www.ebay.co.uk/itm/Time-Sert-01 ... 2506148072
What little I have found are very very expensive too, eg https://www.ebay.co.uk/itm/Time-Sert-01 ... 2506148072
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#847 Re: The Audio-Talk Motorcycling thread.
Are they BSF Dave ?
I'd be wanting a Whitworth (BSW) thread in aloooooooooooominum.
I'd be wanting a Whitworth (BSW) thread in aloooooooooooominum.
The only thing necessary for the triumph of evil is for good men to do nothing.
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G-Popz THE easy listening connoisseur. (Philip)
Edmund Burke
G-Popz THE easy listening connoisseur. (Philip)
#848 Re: The Audio-Talk Motorcycling thread.
Yes, my Enfield was Whitworth.
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#849 Re: The Audio-Talk Motorcycling thread.
Yup, certainly on the 2 Bullets I've got, RE seem to favour BSF thread profile when tapping into Alloy heads and crank cases. Usually 1/4" 26TPI or 5/16 22TPI. The only BSW I remember finding was on a the seat base of the Redditch Bullet saddle!
The 1993 Enfield India Bullet is a mixture of Imperial and Metric size fixings, but the Rocker studs and covers tappings into both the Madras and Redditch alloy heads are deffo BSF.
In contrast to what Greg found on his 250cc RE, my yet-to-be rebuilt RE 250 features mostly BSF threads again in the alloy crankcase I've noticed.
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#850 Re: The Audio-Talk Motorcycling thread.
Having had examples of both, I much prefer the Time-Sert kind of thing.
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#851 Re: The Audio-Talk Motorcycling thread.
Did you find a dealer in the UK for Imperial BSF Time Sert kits Mike?
Wurth seem to stock a lot of metric kits.
Wurth seem to stock a lot of metric kits.
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#852 Re: The Audio-Talk Motorcycling thread.
Sorry only just seen this. No sorry no personal experience, my R80 came with helicoils for the rocker cover studs (both pulled out due to too much welly with a socket set), the Moto Guzzi had a insert type repair but was done by a local engineering shop.
The insert type seemed much more sturdy to me.
The insert type seemed much more sturdy to me.
"No matter how fast light travels it finds that the darkness has always got there first, and is waiting for it."
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#853 Re: The Audio-Talk Motorcycling thread.
Doing a couple of jobs on the Cadwell.
The stock rear light is hated by a few owners, big and blocky and not in keeping with the overall cafe racer style, so they say. I finally succumbed and decided to follow suit and change it to a cute little round rear light, which does look more betterer. Also, when you put the rear rack on (AJS's own accessory) the support tubes only just clear the sides of the lamp! It looks like a bit of bodge.
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The stock rear light is hated by a few owners, big and blocky and not in keeping with the overall cafe racer style, so they say. I finally succumbed and decided to follow suit and change it to a cute little round rear light, which does look more betterer. Also, when you put the rear rack on (AJS's own accessory) the support tubes only just clear the sides of the lamp! It looks like a bit of bodge.
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"No matter how fast light travels it finds that the darkness has always got there first, and is waiting for it."
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#854 Re: The Audio-Talk Motorcycling thread.
The Wipac light - the 'bulb' is a red LED BAY15D from Classic Car Leds (only just fits with a bit of modification, the lamp normally uses a miniature version of BAY15D? Like a 5W BA15S? )
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"No matter how fast light travels it finds that the darkness has always got there first, and is waiting for it."
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#855 Re: The Audio-Talk Motorcycling thread.
The possible handicap of having a really bright bulb in a red lens is that it might show white(ish) and displease an over enthusiastic traffic policeman.
The only thing necessary for the triumph of evil is for good men to do nothing.
Edmund Burke
G-Popz THE easy listening connoisseur. (Philip)
Edmund Burke
G-Popz THE easy listening connoisseur. (Philip)