Bigger front sprocket

[fazersharp]

[quote author=fazersharp link=topic=23930.msg277959#msg277959 date=1523092999]
[quote author=Disorderlypunk link=topic=23930.msg277943#msg277943 date=1523055657]
[quote author=Millietant link=topic=23930.msg277936#msg277936 date=1523051463]
Rather than gong up 2 teeth on the front, I usually go 1 tooth up on the front and 2 teeth down on the back - pretty much the same overall ratio change, but it also means the standard chain length is perfect.


I'm not a fan of adding just a couple of links - no reason other than my own mental issues of 2 home done links in the one chain

yep the correct way is to do that that, i think the idea here is a quick switch (15 mins to switch and adjust for front sprocket)
im not doing a full maths spreadsheet on this (i said that last time lol)
i have a feeling not everyone here has a paddock stand to do full switches so its just easier
and also its £5 for a front sprocket and much more for a rear so quick switch is worthy of a trial run
-- if we dont test run it we dont know ----
[/quote]
Whilst you are on the maths there is also another factor in that certain combo's of teath will create a situation where the same link will hit the same tooth over and over again. It was discussed on here a while back - have a search.
[/quote]


I can see the logic, but in over 40 years of making this change on all of my in-line 4's, I've never had a sprocket or chain wear/fail early. In fact, I've generally changed my chains and sprockets due to my "impression" of mileage & timescale, rather than anything actually being worn-out (prevention being the best way to avoid problems).


Having said that, my FJ 1200's have both run well over 20k mikes on each chain and sprocket set, as did my Aprilia RSV. I changed the Fazer 1000 originals at 17k miles just because I wanted to alter the gearing, not because they were worn out.


Maybe I'm just lucky !
[/quote]
As I recall your combo was actually the optimum sweet spot ratio to avoid any same link -tooth wear