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As i work in a yamaha atv workshop i see all sort of problems , but this shit pass it all ! The oem basket keeps breaking and making a lot of damage to the engine , since 2014 all the yfz450r comes with a slipper clutch that is only a matter of time befor it will fail and blow the engine , i recomnde to replace the basket with another non oem part as soon as possible .
 

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Same exact thing happened to me. It is an expensive issue for sure!


If I ever buy another new one that is the first thing to change.
 

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That greatly depends on how mechanically inclined you are. I believe you need a press too which most people don't have. I went with a Hinson replacement and welded the three screws on the backside but a lot of people switch to the older style baskets with cushions. They of course come with a cost though too because you need the Hinson version of that as well as a stock older basket to rob the gear off of.
 

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What actually failed here? Does not look like the basket failed. Looks like a pin let go on the spring retaining plate side and allowed the spring retaining plate to separate a little. If you look closely, a piece of the spring retaining plate was torn away releasing the springs one of which found its way to oil pump idler gear. The pin that is still in tact (shown in the picture) does not look like the head is "factory peened over". In fact, it looks a little suspect to me. If the basket had been replaced, and mated together with the existing primary drive gear and spring retaining plate, this may have been a contributing factor.

Anyhow, sorry to the owner, that sucks.
 

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That greatly depends on how mechanically inclined you are. I believe you need a press too which most people don't have. I went with a Hinson replacement and welded the three screws on the backside but a lot of people switch to the older style baskets with cushions. They of course come with a cost though too because you need the Hinson version of that as well as a stock older basket to rob the gear off of.
A press for what? For drilling out rivets for the gear on the oem one? 09r oem basket swap u need a press too? If so for what?

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I haven't done it myself so I'm just going by what I have heard from others but I believe you need to press the gear off the back to use it. If that is true you would need it for the 09 basket swap as well.
 

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You need to press out the smaller gear from the center of the basket. Other ways to do it but pressing is much easier. But you press that out of the 2014 basket and use it it with the 09-10 basket. Don’t need to grind or drill any rivets unless your just stealing the primary off of a stock 09 basket for an aftermarket 09 basket. But yea have the center gear pressed then bake the basket and freeze the gear to slide it into the new basket.



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All this time i thought the 2009r basket was a kuik direct swap to the 2014+ YFZs without needing any parts from the OEM 2014+ BASKETS.

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U sure man? The 09r OEM basket looks to have both gears how it comes from yamah according to a kuik 09r OEM basket web search. Unless im dumb and looking at something else...

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U sure man? The 09r OEM basket looks to have both gears how it comes from yamah according to a kuik 09r OEM basket web search. Unless im dumb and looking at something else...

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Yea your right looked at my take off basket. Only gotta press it out to use an aftermarket basket. So can do it without a press if you’re gonna run an OEM 09 basket.


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