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Only $10 for all 2026 SX, MX, and SMX series.
runner up....82 yz80. rad on the bars, major headshake at speeds.
Scared the crap out of me.
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Luxon 4-Post Bar Mounts
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DeCal Works Huge Plastic Inventory of UFO and Polisport kits.
not this exact one but a 79 Maico 490....
It throbbed, chunked and hauled ass. Was all fun in game till you had to pull in the clutch while also being torn off the back of this "well suspended" beast.
The TM400 tops that list.
SuzukiCycles.org TM400 1971-1974
1. And the winner (or loser, actually) is:
THE 1971 SUZUKI TM-400R CYCLONE! It weighed 242 pounds, dry, and delivered about 40 hp at 6850 rpm. Sometimes it delivered it at 4400 rpm. At other times, it would deliver it just when you least expected it. You see, the Cyclone had a weird ignition that would go from a starting mode to full advance whenever it felt like it. Even a change in temperature would change the power hit.
Picture this: you're exiting a hard- packed turn in second gear and you roll the throttle on. All of a sudden, the engine lurches into the fat part of the power curve and the rear end leaps out about three feet. The chassis shudders and sends you sailing into the clear blue sky in a nice arc. Moments later, you thump into the ground, painfully, and then a microsecond after that, the Cyclone lands on top of you.
Adding to the bizarre powerband was a set of forks that went rigid on square bumps and rear shocks that faded from anything hotter than headlight glare. Many companies produced endless handling and frame modification kits. None of these things seemed to help much, but the bike cost only $995 brand new and people kept buying them, trying to make them work. They all failed, to one degree or another, to tame the Cyclone
"...The legacy of the TM-400 can be summed up in an ad that appeared in a newspaper:
"For sale-1972 Suzuki TM-400. Only ten hours on bike. Possible injury forces sale. $500 or best offer."
The thing had 2 power bands and was as heavy as a modern Mx Bike is today,
2008 CR450
I could not do a lap on it without the back coming around to say HELLO over any decent size jump.
jb.
Pit Row
Without a doubt in my mind, this bike. A friend has one which he rides like an XR. Brilliant power. Zero braking ability. Its like riding the titanic.
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