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Dirt Bike Mods & Maintenance
wd-40 ok for chain
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[QUOTE="MikeT, post: 1155523, member: 21398"] I do not use WD-40 to lube my chain BUT WD-40 will NOT harm O-Rings. I contacted the WD-40 people and this was what they said. Dear WD-40, The following submission has been received and entered into the database: Subject: Technical Question Comments: PLEASE PLEASE put this issue to rest for us. I am a motorcycle enthusiast and have an O-ring chain on my bike, it is an off road dirt bike. The orings are little rubber rings that hold lubricant in the rollers on the chain. What we normally do is use a cleaner to wash the bike off and then we have a wet chain when we are done. Seeing as it is hard to dry the chain, some people use WD-40 to displace the water and keep the chain from rusting. Here is the problem we are having. Some people say that the WD-40 will dry out the rubber O-rings and cause the lubricant to leak out. Other people say that the WD-40 will actually wash past the orings and wash out the lubricant in the chain. Can you PLEASE put your staff of top notch engineers on this and see if it is true or not. I don't think that the WD-40 causes any harm to the chain but we need a qualified opinion. [b]WD-40 is a multi-purpose light lubricating oil. The WD-40 will definitely displace and remove the water or moisture from the chain. The "WD" stands for water displacement. It will also act as a rust preventative on any of the metal surfaces. WD-40 will not "dry out" the rubber o-rings. We have found no visible effects on surfaces of rubber, and o-rings. Certain types of rubber will swell under prolonged immersion in WD-40 (this refers to long soaking, and not just a spray). WD-40 is also a cleaner, it will remove grime, dirt, tape, bumper stickers, and oil. It is possible that if there was a special lubricant in the o-rings, the WD-40 could act as a cleaner and remove that oil. The special lubricant would be replaced with WD-40, which is a light lubricating oil. I'm sure their are more superior, heavy duty (and costly) chain lubes on the market. I also know a lot of people that use WD-40 on their chains. Perhaps some experimenting with WD-40 as a water remover and rust preventative, followed by a heavier chain lube, would fit your needs. The bottom line is WD-40 will not harm your o-rings, but it could remove a lubricant that was previously applied to the chain. Any more questions, let me know! Thanks.. Randy [/b] [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
wd-40 ok for chain
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