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Post by lcmarky on Aug 31, 2022 19:27:24 GMT 1
 I can now get through the workpiece… |
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Post by lcmarky on Aug 31, 2022 19:28:06 GMT 1
 Taking shape. Few days away now so no progress for a while again… |
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Post by midlifecrisisrd on Aug 31, 2022 20:11:19 GMT 1
 Pleased to report the new boring bar set arrived today. If you don't mind me asking what's the minimum bore size on that set Need to open out my mill power feed bevel gear to 15.7mm but my boring bar it too big Steve |
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Post by lcmarky on Aug 31, 2022 20:27:41 GMT 1
I’ll go check. It’s a 10mm/12mm/16mm shank set.
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Post by lcmarky on Aug 31, 2022 20:34:35 GMT 1
I reckon you could bore a 12mm ID with the 10mm shank.
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Post by midlifecrisisrd on Aug 31, 2022 21:26:49 GMT 1
I reckon you could bore a 12mm ID with the 10mm shank. Thank you 👍 Steve |
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Post by lcmarky on Sept 9, 2022 9:54:33 GMT 1
Just as a reminder that life must go on as we mourn our beloved Queen. Just had the hybrid rear disc delivered.  |
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Post by lcmarky on Sept 10, 2022 10:34:50 GMT 1
 This could take a while…. |
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Post by lcmarky on Sept 10, 2022 15:44:55 GMT 1
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Post by lcmarky on Sept 10, 2022 15:46:00 GMT 1
 Lots of handle winding today. This is why custom bikes must cost so much. Luckily my hourly rate to me me is pretty reasonable. Just charge myself a few beers!! |
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Post by lcmarky on Sept 16, 2022 13:22:50 GMT 1
 Away with work in Munich all week but the slow burner keeps getting new parts.. |
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Post by lcmarky on Sept 16, 2022 17:57:53 GMT 1
 Going for a slightly thinner band so I can open it up over the 52mm upper fork diameter. It’s 48mm where I’m clamping so needs to flex a bit to get over that. |
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Post by lcmarky on Sept 17, 2022 12:44:45 GMT 1
 Probably the highest risk operation… |
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Post by lcmarky on Sept 17, 2022 12:45:12 GMT 1
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Post by lcmarky on Sept 17, 2022 12:46:27 GMT 1
 Bit of finishing off, tapping etc and done. Would appear to have just about enough flex to open up over the larger diameter. One down..one to go! |
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Post by lcmarky on Sept 17, 2022 12:48:09 GMT 1
 A slight interlude as I sort my mate’s DOT Scrambler carb. |
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Post by lcmarky on Sept 17, 2022 12:48:50 GMT 1
 I’m not surprised it didn’t want to run. This jet was totally blocked. Air line wouldn’t clear it. |
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Post by sidney81 on Sept 17, 2022 16:57:28 GMT 1
Lovely job on the fork clamps ,they will look awesome
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Post by JonW on Sept 18, 2022 1:46:55 GMT 1
+1
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Post by lcmarky on Sept 18, 2022 15:50:38 GMT 1
Thx fellas. Let’s see how they look with the LED indicators and new funky headlight.
I have the material for a set of yokes, but I’ll have a look at them when the bikes all done I think.
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Post by yamark on Sept 18, 2022 16:58:50 GMT 1
WOW, just awesome Great work, Mark  |
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Post by lcmarky on Oct 8, 2022 14:51:59 GMT 1
 I have a vaguely matching pair now. |
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Post by lcmarky on Oct 8, 2022 14:52:55 GMT 1
Now for the ‘ears’ which will hold the LED indies too.
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Post by lcmarky on Oct 18, 2022 12:23:22 GMT 1
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Post by lcmarky on Oct 18, 2022 12:24:35 GMT 1
Rear indicator bracket... Excuse the rear frame that will be replaced for one without the indicator mounts:  Rear indies by KTM Marky, on Flickr |
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Post by lcmarky on Oct 18, 2022 12:24:53 GMT 1
 Rear indies 1 by KTM Marky, on Flickr I plan to helicoil M6 threads into the ally here for strength as opposed to plain tapped holes in the c.8mm aluminium, so the nuts will go. |
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Post by lcmarky on Oct 18, 2022 12:29:19 GMT 1
Next up is some Squish measuring and some photos of the Fahron work for those that are interested. Dry assemble:  Dry Fit by KTM Marky, on Flickr |
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Post by evochris on Oct 18, 2022 12:30:19 GMT 1
Stunning work, and really bespoke. I can see why you called the thread a slow burner, so much special stuff to do!
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Post by lcmarky on Oct 18, 2022 12:38:16 GMT 1
Stunning work, and really bespoke. I can see why you called the thread a slow burner, so much special stuff to do! Thanks. I've had Covid and a slow (not yet over) recovery too, so progress has been intermittent. Next couple of weekends I'm away too so thankfully I mainly work from home and will try to get some time in the workshop. Once the squish is measured, I can sort base gaskets and look to assemble the top end. I'll probably put new bolts in too which may require some disassembly work too I guess. I have also been distracted with the thought to buy a Valve, but that was trumped with the potential offer of a 1989 EXUP that hasn't been run since 2013 - 1 owner etc that I just might be able to get my hands on locally - my fingers are very firmly crossed on this one. Will need an ignition system and some carb jets plus new Koso clock prior to hopefully firing up. |
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Post by lcmarky on Oct 18, 2022 15:17:56 GMT 1
A few Engine internals pic's. Re-profiled head measures ~1.0mm at highest point on outer diameter - well 41 thou' in old money as my depth mic is imperial..  400cc Head Profile Depth 1.0mm by KTM Marky, on Flickr |
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