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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Mongrel
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<blockquote data-quote="Cyborg" data-source="post: 113290" data-attributes="member: 3426"><p>Thanks... this is a copy of what I posted in the tank cover thread: “Ethanol free fuel is easily obtained locally, but just in case... the tank is constructed with a marine epoxy instead of the usual resin. The benefits being that it doesn’t stink (which helps maintain marital bliss) and isn’t frightfully expensive. While it is resistant to ethanol, there is some debate about the long term results. The blush from the epoxy was removed and the inside of the tank was sanded prior to assembly. Once cured, the tank was washed and rinsed out several times to remove any new blush that may have formed around the bottom seam. Now it gets a complete internal coating of phenol novolac epoxy just in case I do encounter some ethanol down the road. Using the phenol novolac epoxy for the last layer of fibreglass might have made more sense and I may explore that avenue if there is ever a next time.”</p><p></p><p>Rather than try and track down a supplier for the phenol novolac epoxy, I just ordered the tank sealer from Caswell <a href="https://www.caswellcanada.ca/epoxy-gas-tank-sealer.html" target="_blank">https://www.caswellcanada.ca/epoxy-gas-tank-sealer.html</a> It seems as though any problems are due to bonding issues and that’s why I first cleaned and then sanded the inside of the tank before assembly. They still market this stuff as ethanol resistant as opposed to ethanol proof, but don’t plan on testing it. It is pretty easy to avoid ethanol where I live. There is a Chevron just up the road and their premium fuel doesn’t contain any. It even has a dedicated hose, so you’re not dealing with the possibility of getting whatever grade was pumped by the last customer. It’s completely ethanol free.</p></blockquote><p></p>
[QUOTE="Cyborg, post: 113290, member: 3426"] Thanks... this is a copy of what I posted in the tank cover thread: “Ethanol free fuel is easily obtained locally, but just in case... the tank is constructed with a marine epoxy instead of the usual resin. The benefits being that it doesn’t stink (which helps maintain marital bliss) and isn’t frightfully expensive. While it is resistant to ethanol, there is some debate about the long term results. The blush from the epoxy was removed and the inside of the tank was sanded prior to assembly. Once cured, the tank was washed and rinsed out several times to remove any new blush that may have formed around the bottom seam. Now it gets a complete internal coating of phenol novolac epoxy just in case I do encounter some ethanol down the road. Using the phenol novolac epoxy for the last layer of fibreglass might have made more sense and I may explore that avenue if there is ever a next time.” Rather than try and track down a supplier for the phenol novolac epoxy, I just ordered the tank sealer from Caswell [URL]https://www.caswellcanada.ca/epoxy-gas-tank-sealer.html[/URL] It seems as though any problems are due to bonding issues and that’s why I first cleaned and then sanded the inside of the tank before assembly. They still market this stuff as ethanol resistant as opposed to ethanol proof, but don’t plan on testing it. It is pretty easy to avoid ethanol where I live. There is a Chevron just up the road and their premium fuel doesn’t contain any. It even has a dedicated hose, so you’re not dealing with the possibility of getting whatever grade was pumped by the last customer. It’s completely ethanol free. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Mongrel
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