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Old 12-07-2006, 04:25 PM   #1
sanjuro62 OP
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Location: Houston, TX
Oddometer: 61
1980 Yamaha XS400 Special

Anyone with a 1980 Yamaha XS400 Special able to enlighten me on whether it is a single or a twin?
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Old 12-07-2006, 04:28 PM   #2
Grainbelt
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I don't have one, but I am pretty damn sure its a twin.
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Old 12-07-2006, 04:31 PM   #3
Sparkdaddy
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It's a twin. Vroom vroom.
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Old 12-07-2006, 04:48 PM   #4
KneeKicker
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Location: Indiana
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twin for sure. That was my first street bike when I was in high school.
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Old 12-07-2006, 07:06 PM   #5
RLK
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Joined: Nov 2004
Location: CSprings
Oddometer: 6,260
General information
Model: Yamaha XS 400 Special
Year: 1981
Category: Classic
Rating: 63.9 out of 100. Show full rating and compare with other bikes
Engine and transmission
Displacement: 392.00 ccm (23.92 cubic inches)
Engine type: Twin
Stroke: 4
Power: 27.00 HP (19.7 kW)) @ 7500 RPM
Compression: 9.3:1
Bore x stroke: 69.0 x 52.4 mm (2.7 x 2.1 inches)
Valves per cylinder: 2
Fuel control: OHC
Cooling system: Air
Gearbox: 6-speed
Transmission type
final drive: Chain
More details Consult a Yamaha repair manual.
Physical measures
Weight incl. oil, gas, etc: 180.0 kg (396.8 pounds)
Chassis and dimensions
Front tyre dimensions: 3.00-18
Rear tyre dimensions: 120/90-16
Front brakes: Single disc
Rear brakes: Expanding brake
Speed and acceleration
Top speed: 139.0 km/h (86.4 mph)
Other specifications
Fuel capacity: 14.00 litres (3.70 gallons)

I drool over bikes like this.
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Old 12-07-2006, 07:29 PM   #6
sanjuro62 OP
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Thanks guys for all of the replies. I'm looking at one locally that has 14,000 miles and is in decent running shape for about $600. I'm buying this as a beginner's motorcylce.

Cheers,
Victor

P.S. I personally wanted the SR500, but some of the things I've read indicate that a more experienced rider should own that bike.
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Old 12-07-2006, 08:51 PM   #7
HighwayChile
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Location: Bow, WA USA
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a friend had a 77( ?) xs500, a steaming pile of shit. ( in fact it was brown, who makes a brown motorcycle unless they really knew it was a steaming pile of shit?) I dont think they share the same engine. lucky for you.

buy some good gear and take a MC riders course. check over the brakes, replace the fluid, some of those early disc calipers freeze up. do a through test, as old bikes the rubber dries up, carbs can be a problem. dont let that stop you.
enjoy
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Old 12-07-2006, 09:45 PM   #8
sanjuro62 OP
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Quote:
Originally Posted by HighwayChile
buy some good gear and take a MC riders course. check over the brakes, replace the fluid, some of those early disc calipers freeze up. do a through test, as old bikes the rubber dries up, carbs can be a problem. dont let that stop you.
enjoy
My gf was astonished when I spent $600 on an Arai helmet just to ride my Honda Ruckus scooter. I've just recently acquired a Yamaha Riva 125 and the XS400 would be the next step up. Full face helmet for me all the way at any speed. Also have a Joe Rocket mesh jacket, but that will soon be replaced by a leather Vanson I've had my eye on for some time.

Once I transport the Yamaha back home in a pickup truck I'm taking it straight to the local private bike shop to be thoroughly checked out.

The MSF course is a Xmas present I'll be using before the bike.
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Old 12-07-2006, 09:53 PM   #9
HighwayChile
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Thumb

you will ( to steal a phrase from Spock) "Live long and Prosper"

Good on ya
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Old 12-08-2006, 04:25 AM   #10
on2wheels52
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Location: northern Arkansas
Oddometer: 2,140
sanjuro62
Have a similar '81 Honda 400 I keep around, helps remind me how far bikes have come. Became antique this year, no more liscense fees!
Jim
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Old 12-08-2006, 06:14 AM   #11
El Hombre
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Location: Alta Coma, California
Oddometer: 1,536
So when can we expect the questions about a 14 tooth countershaft sprocket as opposed to a 16.

Or where to get a set of 17" wheels so you can motard it?

Different weight springs front and rear cause you're obese, like most of the rest of us.

Which 6.9 gallon gas tank is best.


And the two ALL TIME FAVS; what kind of oil and tires does everyone use.

I forgot; flat or dished Corbin, that's always a good one.

Have fun with you new toy, but until you get a dualsport....
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Old 12-08-2006, 07:37 AM   #12
sanjuro62 OP
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Hehe, I'll let you all know how it goes. When I have more experience under my belt, and more cash, I would be gunning for F 650 GS.
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Old 12-08-2006, 10:19 AM   #13
ZZR_Ron
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Joined: Nov 2004
Location: Thunder Bay, Ontario, Canada
Oddometer: 7,989
My friend has the XS400J, which has somewhat higher performance specs.
Fun little bike to ride...


General information
Model:Yamaha XS 400 DOHC
Year:1982
Category:Naked bike
Rating:68.4 out of 100. Show full rating and compare with other bikes
Engine and transmission
Displacement:399.00 ccm (24.35 cubic inches)
Engine type:Twin
Stroke:4
Power:45.00 HP (32.8 kW)) @ 9500 RPM
Compression:9.7:1
Bore x stroke:69.0 x 53.4 mm (2.7 x 2.1 inches)
Valves per cylinder:2
Fuel control:DOHC
Cooling system:Air
Gearbox:6-speed
Transmission type
final drive:
Chain
More detailsConsult a Yamaha repair manual.
Physical measures
Weight incl. oil, gas, etc:187.0 kg (412.3 pounds)
Chassis and dimensions
Front tyre dimensions:3.00-18
Rear tyre dimensions:4.10-18
Front brakes:Single disc
Rear brakes:Expanding brake
Speed and acceleration
Top speed:168.0 km/h (104.4 mph)
Other specifications
Fuel capacity:18.00 litres (4.76 gallons)
Further information
Parts and accessoriesCheck out parts and accessories from our partners.
Ask questionsJoin the 82 Yamaha XS 400 DOHC discussion group
Insurance, loans, tests Search the web for dealers, loan and insurance costs, tests, customizing, etc.
Related bikesList related bikes for comparison of specs
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Old 12-08-2006, 12:18 PM   #14
Sniper X
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Location: Central New Mexico, 7420ft above sea level
Oddometer: 33,283
Quote:
Originally Posted by sanjuro62
Anyone with a 1980 Yamaha XS400 Special able to enlighten me on whether it is a single or a twin?
Vertical Twin, Had one. Not a awesopme but great little bike. Reliable, fast for an old pokey air cooled 400 twin, and easy to maintian. Looked OK for a chopper wannabe Japanise bike. handled well enough for the Snipe to put allotta guys to shame...amd shame it was to be passed in a corner by a Yamaha 400 Special.
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Old 12-08-2006, 12:19 PM   #15
Sniper X
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Quote:
Originally Posted by sanjuro62
Thanks guys for all of the replies. I'm looking at one locally that has 14,000 miles and is in decent running shape for about $600. I'm buying this as a beginner's motorcylce.

Cheers,
Victor

P.S. I personally wanted the SR500, but some of the things I've read indicate that a more experienced rider should own that bike.
Actually even though the SR500 is a sweeter bike, a 400 special will beat in in a drag race.
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