These guards have proven somewhat reliable so far. I have had one good spill since installed, and the radiators are still straight, guards straight. The install wasn't bad, I didn't have to undo my hoses so it is possible to install these without opening your coolant system. I did have to undo my plastics and tank, which wasn't a big deal, but my radiators were already tweaked pretty good from hits, and it took a lot to straighten them out to make the plastics and guards fit. I didn't have to trim my stock radiator fins/louvers to make them fit back in the radiator like some reviews mention. I liked the low profile fit, and didn't want to add a lot of weight, this was a great solution to my issue of saving my bike when I do dump it.
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These work great on my 08 450x! I’ve dropped my bike multiple times in rocky terrain without incident. You can use these with your factory louvres as well.
This went together no problems. My only gripe would be the that you have to remove the KTM fan housing and mount the fan to the aluminum guard which stands the fan away from the radiator and no doubt will reduce its cooling efficiency. I've not had issues with over heating so far but haven't been slow riding in hot weather yet. Just something to be aware of. Seems very sturdy, but yet to have a big crash on them!
A good warm weather radiator guard. Allows for maximum air flow. Would help installation to have a 1/2 inch longer upper radiator tube for the YZ.
Have to drain coolant to install which is a pain, as well as trim a lot off of radiator shrouds (plastics) to get the lower bolt to line up. Even with trimming and using the provided spacer, it still does not line up easily. Not great if you take your shrouds off a lot. Bike was a 2007 wr450
These radiator guards look nice and are quite sturdy. Only slightly noticeable after all of the plastics are reinstalled. Only downside (minor) was having to trim the inside of the radiator shrouds down to get everything to fit back together due to the fact that it makes everything slightly wider than stock without the guards. Ultimately I wish I would have purchased a set of these before the radiators got a bit bent. I'm sure it would have saved them.
Definitely a solid set of radiator guards with high quality materials that look and feel as though they will offer good protection to the radiators in a crash. Installation was simple and the provided instructions detailed and accurate.
My only problem with the product was that the plastic radiator shrouds are difficult to get bolted back onto the bike after installing the radiator guards due to the distance between the shroud bolt holes and the radiator mounting bracket and the supplied mounting bolt length not being long enough. I overcame the issue with some effort but would expect a product in this price range to have zero fitment issues.
I would give it overall 4 out of 5 stars and would recommend this product.
Easy installation, comes with good instructions (2011 YZ450F). Fit over my "pre-bent" radiators. Good investment !