Do you use a template & a drill press or use a vertical mill? Obviously a mill would be best but can it be done on a drill press with acceptable results? When you say chamfered properly, what does properly mean (i am familiar with chamfering)?
I can take the PDF to work with me and get it printed on the large format (I work for Canon).
p.s. I posted looking for another GL500I seat pan. Only got one wanting to sell me an entire front set in good condition. I f you get a chance, see if you can find just the pan or a seat that's not worth restoring. I'll be happy to pay the shipping cost + what you think it's worth.
i would not use the above templates with 8mm holes i will have to do a calculation on them when i have a minute but my gut says from the layout if done in 8mm holes its out of spec and could result in heat cracking as the holes are to close to each other looks skimpy to me
i will do the math when i have time tonight
So carbs are back in the bike after cleaning, it started up first turn (great sign), idles just fine and will rev to around 2000 rpm, then starts coughing when I open the throttle more. Strange thing is that when I cut the fuel supply off at the petcock, just before it dies, it revs to around...
Finally, got around to replacing oem vacuum valve, with this recommended replacement.
However, as soon as I removed the fuel line, leading to the carburetor, I noticed the nipples
are different sizes. Original is larger than replacement.
Did I receive the wrong valve? Is mine, really, not...
Thanks for previous help and comments on Cylinder Head bolt thread type (M12x1.25) Now the next problem. I took a long hard look at the "cause" of the head bolt thread getting chewed up, sure enough Helicoil insert could clearly be seen with a lot of odd looking threads and swarf / chippings...
I bought this bike as another project from a so-called bike shop That was closing down. Owner said that he had been through the carbs, but when I fitted to the bike, they were leaking like a sieve. I have since cleaned and rebuilt them, but I am struggling with one thing: there seems to be a...