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I've been wondering the same thing. So does the Trail use an O-Ring type or not?
I found a replacement (no o ring) and (o ring) chains from RK Takashago ChainHarv Posted a YouTube above.
Stock chain User Manual Page 101 = D.I.D 428 HD chain 108 links no O rings.
Recommended replacing stock chain with D.I.D. 428 VX. I went to the
local motorcycle shop and bought the VX chain 120 links $69.00
plus a $20.00 chain breaker.
One of the best reasons to immediately drop the chain from the stock bike and throw on the sealed chains. You won't have to replace the cogs. They're not expensive, but they're also more difficult to acquire lately than expected.Keep in mind that it is recommended to replace both sprockets when replacing a chain, so those are consumables that you want to try to match the longevity of if you're going for cost effectiveness.
I ordered a gold D.I.D. X-ring chain from Nault's. They ordered a 118 link chain. I asked them to change it to 108 links.One of the best reasons to immediately drop the chain from the stock bike and throw on the sealed chains. You won't have to replace the cogs. They're not expensive, but they're also more difficult to acquire lately than expected.
You can cut it yourself too. The tool isn't super hard to use and costs about $13.I ordered a gold D.I.D. X-ring chain from Nault's. They ordered a 118 link chain. I asked them to change it to 108 links.