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The bulkhead posted is a ZR300S (YR4 M2), the bulkhead set without the bumper cut out is the ZR300 (early YR4) I have sets of both that I have run on 870C's with no problem, and they are a direct bolt in. I have broken the mag bulkheads before, but I used to be a terrible driver.

the works 91/92 have the same cell spacing as the 870, but the 93 car is only set up for 6 cells, and use the same motor mount as the early yz10/870

I agree with the leaving talk of prices out of here and in the BST. just cushioning the blow to a newbee with two posts

It looks like the front wheel hubs are on the rear of the car. just may need to swap them out from front to rear.

After looking closer the rear hubs still look like the front ones but the ones on the front are not correct for the car...more like a later 91/92 YZ 10

I dont think he is looking for an apprasial of his car but rather a reasonable suggestion on what he should offer. I guess you should have asked how much should i pay fo an MX4? the answer is still pretty much the same...whatever you are willing to reasonably pay for it, depending on condition and p...

Cool, the white ones don't come up too often

I know the early YR4's were white but the later models were black. The ZR305 is the same design as the ZC305, but I think they were black.

Yokomo did make white arms for the 870C (ZC-407C). I have a set on my original 870. They are molded and look just like the black arms. There is a set on Ebay now, i have heard that they were developed for cold weather and less prone to breakage than the black arms (there was a thread on this site wi...

Here is a pic of the shaft and the direct drive hub. I currently have one of these on my works 91

It should be a 15 tooth pulley. I have never seen a pulley that worn before. The YR4 direct drive adapter will work and they make them in M3. You wouldnt need to change your belts (unless they are as worn as that pulley) but you will need the YR4 center shaft to go with the pulley, I don't think it ...

The YR4 rod end part number you want is ZR-007. if youre talkin suspension

Hey... I think I know the guy you got that from

Pedro, I paid $40 for each pair over the last two years so his price is on par with what is out there, but you dont see them for sale very often. They are like the ZD304S motor mounts. You can look for months and not see one and then all of the sudden there are 10 for sale all over the place.

They had an adapter set for the YZ10 specifically (sombody told me they were for the 96 model). They are the ZD437, and ZD438's in the picture with the MX4 wheels in this thread. It took me a couple of years to find them, but they are out there. I think bscotti machined his own for his VONATS Works ...

The center one way is a ZR-674H for the hardened pulley or the ZR-674C for the standard aluminum pulley.