I saw a post about adding the factory oil cooler used on the bigger Fh721 engine to the Fr691v that I have on my 54" Raptor SD. Wish I could remember who posted that as I owe them a big thanks! Here are some pictures and a few things I did differently on my install.
The Kawasaki parts needed;
39067-7008 Cooler - About $72
59071-0742 Joint - About $11
92055-7006 O-Ring - About $10
This takes a 49065-0724 Oil filter. Crosses to Wix 51360, Wix 51394, Wix 51395. These are the same just different lengths.
These are terribly small filters so I wanted to install my much larger Wix filter. Wix 51516XP about $8 at Rock Auto.
Comparing the two filters;
As the original poster noted the larger oil filter just slightly drags on the Oil Cooler casting. Here is the very tiny mod I did to the Al. base to provide clearance.
Used my Dremel tool with a cut off wheel to lightly grind the surface. It did not take much.
You do need to modify the engine so the cooler fits. To help with access the RH fender bolts were removed and then the fender swiveled a bit so I could get in there. I used a large EZ-Out to remove the short threaded nipple in the block. It's not in there very tight. There is a Al. tab under the oil filter that gets in the way of the cooler mounting flat. Again it was a pretty minor mod to cut this off with a body saw.
After removal. Be sure and put paper towels in the oil filter base and oil filler tube when cutting. Don't want any metal to get into the engine! I had a pretty good pile to clean up before I took the picture.
Next mount the cooler using the longer hollow bolt. I used PTFE pipe paste on the threads. A bit of oil on the O-ring too! Rotate the cooler slightly so that it does not interfere with the oil filler tube. There is plenty of room.
This is the much larger WIX 51516XP filter installed.
The larger filter does stick out more and just touches the plastic fender. Don't think it will hinder removal of the oil filter but the fender is just 4 bolts so I may just loosen that to change the oil and filter. I could not believe how much room I had to clean and put rags under the filter with the fender pulled back. I have ALWAYS hated how that horizontal filter just makes a huge mess every time it's changed!
Suppose to add about a pint of oil capacity. The original post claimed a 40F drop in oil temperature but I have not measured mine and will just assume it helped in some way. These engines full full blast 100% of the time which is much more severe service than just about anything else I own.
.
.
.