Yamaha YZ250FX vs 270cc + Hotcams - back to back comparison on MX track

hey guys, today we are going to compare fully stock 2020 Yamaha yz250fx and upgraded version with 270cc cylinder works big bore with Hotcams stage 2 cams. this is back to back comparison on the MX track at Cahuilla MX. Check it out and let me know your thoughts. Cheers!

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2020 Yamaha yz250fx yz250f

[dougcook]

I would like to see you test it single track right woods.

[gagebrooks]

those are smart upgrades to pair, the big bore gives a lot more low end power while the stage 2 hot cams are designed specifically to build top end. in theory you’re gaining power on both spectrums

[DirtZen]

Awesome video and comparison. You can really hear the difference. You're reving the stock bike much higher to get the same performance. That 270 sounds great, I would definitely make that upgrade now that I've seen what it does. It's also a lot of fun watching you kill it on the track, you really know that track well and it shows. Keep up the great work man!

[bugs]

Did you look into getting the ECU remapped for more fuel and timing or using a vortex?

[dcouture]

Question is, can the bottom end hold up and be just as reliable as the stock set up?

[justincoull]

How would the stock 250 go with hot cams? Wonder how much of a difference that would make

[dv]

I'm finding it really difficult to find a big bore kit online. is it just hard to come by or is it not on sites like rmatvmc?

[ronaldmiller]

So just caught this video..i had a 15 fx250f and loved it..im looking for another im 52 62 260lbs..i think this set up will be my go to..just curious ive seen u on 250fs are u bigger guy yourself..

[tommytrzcinski]

Do you think that without the big bore and hot cams upgrade the bike would still be very powerful on the track and on the trail?

[dnrg]

Nice vid as always Rado, when u fit the big bore kit do u rebalance the rotating assembly or is the size increase negligible, ( to the vibration in the motor)cheers👍D

[tomnekuda]

I would have never believed actually hearing and seeing on upload the difference in the engine. I'll be that is gonna sell a lot of kits for that Yam. If you keep working on it you're gonna make an old geezer like me believe in 4-strokes. LOL!

[emptyqrider]

Looks so fun and enjoyable with a good friend to test these bikes. If you’re using gopro, If possible try switch the position of the gorpro to the side ( just over the ear point ) .. it might be better in view .

[bobbymoonboots]

Are there any cons to doing a 270 bore. Will it have any cons as far as more maintenance or more wear and tear, shorten the bikes life?

[henricusrealms]

The big bore 250 either two or four stroke would be very useful for a vet rider/racer. It'll hang with the 450fs and keep the 250s back.

[zardportugal]

The bikes are 2 totally different animals.
The 270 is noticiable gruntier.
Cheers.

[TheJumpn]

I’m tossing around idea of a woods/ trail dedicated bike, with a whiff of hare scramble / enduro. Would you recommend 250FX for that over a WR250F?

[VanekLarson]

What age should you start riding a 250 4 stroke?

[grahambartsch]

was thinking about this kit for my YZ250 for some track work. Sounds like it might just be what the doctor ordered for my decidedly "outside the typical 250F parameters" body haha

[scrambled]

Awesome. Do a YZ250X with a 300 kit next.

[brianjones]

Is there a description somewhere on what the Hot Cams stage 1 or 2 will accomplish versus the stock cams as far as more low grunt or more high revs? I've searched but can't find anything except actual specs