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Old 03-21-2005, 10:08 AM   #31
mscuddy
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Default Re: 70 HP / less than 300 lbs?

I know, I was beginning to develop "horsepower envy."



Check out this link: http://www.yamaha-motor.co.jp/global...er-diesel.html



It might be a 2 stroke without lower-end scavenging. Wave of the future?
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Old 03-21-2005, 10:38 AM   #32
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Default Re: 70 HP / less than 300 lbs?

Well if it's on some dork's blog it has to be true, right?
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Old 03-21-2005, 11:11 AM   #33
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Default Re: 70 HP / less than 300 lbs?

It puts out about 42HP and 59 Ft-lbs. Way below the minimum necessary to be cool. But it gets an estimated 80 mpg in a light car. Not bad. Imagine the mileage on a motorcycle. 100+? A gas engine would be faster but you could go 500 miles between fill ups. In an off road bike you'd never worry about running out!



How many gas engines can run 250 hours at full output?



Diesel performance is a bit strange compared to gas since they get less HP but loads of torque.
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Old 03-21-2005, 11:20 AM   #34
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Default Re: 70 HP / less than 300 lbs?

Heh heh. I bought a new two-stroke snowmobile this year so I can avoid the coming mandate that will force people on overweight four-stroke machines. As much as I use one (maybe 200 miles a year) it'll last me 20 forever.



I might just make a point of picking up a couple more two-stroke dirt bikes to keep in reserve just so that I can have the pleasure of pi$$ing off the enviro-nazis for years to come.
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Old 03-21-2005, 12:16 PM   #35
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Default Re: 70 HP / less than 300 lbs?

Good for you! Fight the urge to four sickle. All that un-needed nonsense spinning around, whirring and clanking about! Bah, who needs it?



Let's see, how many two strokes in my "reserve"? Hmmm..



1971 DT1MX Yamaha 250

1972 DT250 Yamaha Enduro

1973 TM250 Suzuki Champion

1976 TC100 Suzuki (8 speed)

1987 CR500R Honda (ported for top-end!)



And then there's a...



1953 Clinton 3hp Lawnmower (Blooey pipe, the neighbors hate me)

1982 Shindawa Edge Trimmer

1948 Elgin 8hp Outboard

1955 Martin 6hp Outboard



(BTW Sold the RD400 for big$$$. Hah, they'll be sorry.)



Not to mention engine parts, engines in boxes, in cleaning dip, buckets, and various degrees of disassembly (Model engines, weed wackers, chain saws, etc..etc..).



Of course there are no cars in the garage, but that's the way it should be...



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Old 03-21-2005, 01:23 PM   #36
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Default put it in a supermoto

Please, please put it in a supermoto. My wallet is ready to open. Who will be the first to bring a freshly designed supermoto to market. A 500cc or so motor should do it.
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Old 03-21-2005, 01:52 PM   #37
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Default Re: 70 HP / less than 300 lbs?

Just got my buddies '69 YAS-1 RD purring like a kitten this weekend. Luckily I didnt see my reflection as I was riding it around the neighborhood, probably would of crashed laughing so hard. 6'6 280 on a tiny 125 2 cyl smoker is a sight to behold. But the little engine that could still had pretty good get up and go, I'm impressed. Now I dont want to give it back, then again my neighbors will probably be happy when I do.
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Old 03-21-2005, 02:22 PM   #38
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Default Re: 70 HP / less than 300 lbs?

In keep with the theme it would have had to be a Screaming Eagle version.
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Old 03-21-2005, 02:59 PM   #39
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Default Re: 70 HP / less than 300 lbs?

A friend of mine had one of those! He piped, ported and put high compression pistons in it. It probably got about 17-18 HP. It had a powerband that was about 2000 rpm wide. But it really screamed (literally) for a 125 at the time. I rode it a couple of times, but got tired of people flipping me off and shaking their fists.
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Old 03-21-2005, 03:14 PM   #40
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Default And

the suspension no doubt.
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