13-05-13, 01:23 PM
2 bits of better news.
1) spoke to aforementioned trusty bike chap. He said yes he was well aware of the exup valves, and is quite proficient in drilling and retapping! However, he also said he's seen loads (unsuriprisingly) that were only held in my 2 bolts and didnt' give any issues - so I think I'll see how things work for a bit. Certainly seemed ok yesterday when I fired the bike up.
2) Just for shits and giggles, called Yamaha to enquire about the cost of new downpipes and exup. £1500+VAT. PMSL! Even the advisor said "that's bloody ridiculous, you could buy another bike for that". However, have found second hand downpipes (with the exup removed and all threads in good working order!) that I've bought, with a view to swapping my working and pretty good condition valve over into at some point.
1) spoke to aforementioned trusty bike chap. He said yes he was well aware of the exup valves, and is quite proficient in drilling and retapping! However, he also said he's seen loads (unsuriprisingly) that were only held in my 2 bolts and didnt' give any issues - so I think I'll see how things work for a bit. Certainly seemed ok yesterday when I fired the bike up.
2) Just for shits and giggles, called Yamaha to enquire about the cost of new downpipes and exup. £1500+VAT. PMSL! Even the advisor said "that's bloody ridiculous, you could buy another bike for that". However, have found second hand downpipes (with the exup removed and all threads in good working order!) that I've bought, with a view to swapping my working and pretty good condition valve over into at some point.