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I am actually highly allergic to social media. But I have never considered internet forums to be "social media". To me social media is like a hangout place to hold water cooler conversations about football, weather, and sometimes politics with people you know or with those who just happen to be...

We had to ban maybe only a couple of guys who were disruptive to the discussions or disrespectful to other members. They actually asked themselves to be removed. I hate doing that, and luckily, for the most part I don't have to. Things are usually working smoothly around here, thanks to our...

2009-2012 CRF450 2010-2013 CRF250

Thank you, everybody!

I like your mini rapid charger, @wwmotors. I am also planning to remove mine from the Pelican case and hang it on the wall inside the van. Or is this the standard charger?? It is hard to tell.

Oh, yes! Now I understand it too. Hold the knob and turn the screw.

Just pry it with two screwdrivers. If it breaks, Kreft Moto has aluminum knobs.

The offset is adjustable. Either 18mm or 22mm. The default offset on big wheel bikes is 22mm, although I prefer 18mm for a better stability. Not sure if the SM uses the same offset, but the SM clamps are the same as on other Altas. Rim Options, Triple Clamp Options?

If you can modify the stock spacer, you can google any local machine shop and pay them for 30 minutes of their time. This is probably the easiest thing to do.

IIRC, the stock speedo adds 10%. just like on most other bikes. But @Fog 25 runs a 14T front sprocket. So, 52mph is a lot lower than his trip speed.

Interesting... I think someone from Alta quipped that the top speed is the same in all maps. Maybe that's because it is the same motor's max RPM. But 52mph is not the top speed on the MXR! So why is it 52mph in this test in all maps besides Map 1? Interesting.

Yes. Only the MX/EX/SM has different front spacers because of the thicker axles.

I have been working on a complete set of spacers, new and improved. Thanks for the reminder. If I finish the design this weekend, then we will have them in about a month, by April.

Yes, he posted this: Dyno comparison Alta Vs two stroke and four stroke

PM sent.

Well... I got my CRF450 Showa suspension back from the tuner. Went to a far away track today, which is a bit choppy and tacky. I took the Honda and my two Altas with me. Started the day with the Honda because I was anxious to once again experience the hopefully still awesome suspension that I...

Thank you for the video. You should change the view to the wide setting, else the camera seems too low to show what's ahead and too high to show the bike.

If you add other gears, then the HP chart will gain other blips of the same height but at different speeds, proportionate to the gear ratios. No surprises there, you can visualize it pretty closely without plotting. On the Torque chart the blips will be higher at lower speeds and lower at...

I think it is a direct swap. However, the EXR fork will feel too soft on the MXR, so you'd either have to respring/revalve it or swap the rear shocks as well.

What kind of a dyno is this (type, brand)? If you can simulate any load, then you can record 1 run 0-60mph with the regular 400 lbs load (bike plus rider) and then another run with like 600 or 800 lbs load to simulate an uphill. The run with a heavier load will take much longer, so it would be...