Insert new sprocket... Tighten the bolt... I bent the washer back around the bolt to keep it from turning loose... Just use some pliars for that... It did take some force to bend the washer around...
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Reassemble bike and make sure you adjust chain slack to account for the new smaller sprocket and you're done... I did clean the area around the front sprocket while I had it open since it was so filty. Just removed the worst bit... And for the swingarm on the chain side... I took the back cover off and cleaned some inside since I had a bit of a hard time getting the adjuster nut further forward when adjusting the chain. It was so filthy that it was hard to adjust but after some cleaning it worked like a charm. WD-40 is my best friend
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Ok I did have to spend some time adjusting the chain but that was merely bacause I had never done it before... It was fun getting to know my bike a bit more! Now I'm hoping that my speedohealer will arrive in the morning...
Now after using the bike for a little while after the change all I can say is DAAAAAMN!!! WOOW what a difference!!! The most welcomed difference was the MUCH smoother gear shifting!! It still clunks a little from 1st-2nd but compared to before it's nothing... The gear shfting is so smooth now I'm wondering why yammi didn't make 15t sprockets factory for the fz6...
As for the power increase I will have to agree with others here that the bike pulls harder and feels stronger. As for wheelies it doesn't make the front too light... you have to want to wheelie to do it... but it's easier now than before... I have never done a wheelie before and can't really tell you guys much about it. However yesterday testing out the new power I actually tried to wheelie and well it came with no problems...
But wheelies isn't my thing and I'll leave that to the people who can do them and want to do them
Hope this was helpful and more people will do the sprocket change...