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+--- Thread: CB1100 parts discontinuation has started (/showthread.php?tid=750)
RE: CB1100 parts discontinuation has started - zirconxi_imp - 11-11-2020
Most of the parts that break down, other than the usual maintenance parts, are mostly containing rubber which can't be stored long anyway. As the model age, I am sure there will be some creative owner who will soon find some other compatible parts from other bike model.
RE: CB1100 parts discontinuation has started - Paris_imp - 11-11-2020
(11-11-2020, 02:11 PM)zirconxi_imp Wrote: Most of the parts that break down, other than the usual maintenance parts, are mostly containing rubber which can't be stored long anyway. As the model age, I am sure there will be some creative owner who will soon find some other compatible parts from other bike model.
Yes, rubber parts, especially those exposed to high temperatures have a limited lifespan. Again, drawing from my ‘81 GPz experience, the rubber intake boots will eventually become too hardened to seal and leak vacuum. Sometimes, these boots are highly specific to a certain year and model bike. I once had to park my GPz for two years because I could not find a replacement for the hardened, leaking intake boots. Then one day a dozen new old stock boots appeared on eBay from Germany, and I was back on the road.
RE: CB1100 parts discontinuation has started - Houtman_imp - 11-11-2020
There are probably products available to make rubber parts last longer when stored in a dark place.
RE: CB1100 parts discontinuation has started - GoldOxide_imp - 11-12-2020
(11-11-2020, 11:21 PM)Houtman_imp Wrote: There are probably products available to make rubber parts last longer when stored in a dark place.
One would think the darkness would assist rubber from aging (i.e. no UV light). However, other chemical vapors are still in play.
RE: CB1100 parts discontinuation has started - Bazbro_imp - 11-12-2020
(11-11-2020, 11:10 PM)Paris_imp Wrote:(11-11-2020, 02:11 PM)zirconxi_imp Wrote: Most of the parts that break down, other than the usual maintenance parts, are mostly containing rubber which can't be stored long anyway. As the model age, I am sure there will be some creative owner who will soon find some other compatible parts from other bike model.
Yes, rubber parts, especially those exposed to high temperatures have a limited lifespan. Again, drawing from my ‘81 GPz experience, the rubber intake boots will eventually become too hardened to seal and leak vacuum. Sometimes, these boots are highly specific to a certain year and model bike. I once had to park my GPz for two years because I could not find a replacement for the hardened, leaking intake boots. Then one day a dozen new old stock boots appeared on eBay from Germany, and I was back on the road.
Yes, rubber parts, especially those exposed to high temperatures have a limited lifespan. Again, drawing from my ‘81 GPz experience, the rubber intake boots will eventually become too hardened to seal and leak vacuum. Sometimes, these boots are highly specific to a certain year and model bike. I once had to park my GPz for two years because I could not find a replacement for the hardened, leaking intake boots. Then one day a dozen new old stock boots appeared on eBay from Germany, and I was back on the road.
Same experience for me, Paris. I had to exchange all the rubber parts for my 1965 Yamaha YDS-3, but fortunately they're still all (most!) available.
One part that I do desperately need is the concertina rubber boot over the rear brake cable end... it's unobtainium, probably because it was the entire, assembled cable that is the spare - the boot was not sold separately.
Anybody know of a company willing to make a small number of these boots?