KTM 520 SX, 520 EXC, 400 SX AND 400 EXC
ULTRA-SERIOUS RACING FOUR STROKES! - NO-HOLDS-BARRED MACHINES
| 2000
KTM 400 E/XC
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RIDING IMPRESSIONS ? KTM 400 EXC Much like the difference between the 520 SX and EXC, then 400 EXC offers a much more user-friendly ride than the MX version. Again, you?re dealing with a slightly heavier ignition, a six-speed wide ratio gearbox and a woods-legal spark arrestor on the exhaust. As with the 520 EXC, the 400 EXC uses the 18 inch rear wheel, instead of the SX-oriented 19-incher.
While the 400 EXC is a very serious cross-country/enduro/hare scrambles race bike, it?s also one that could be ridden comfortably by that legendary "average rider" we were talking about earlier. Power delivery is plenty strong ? certainly stronger than the WR 400 Yamaha ? but it is a fairly easy bike to ride. Mid-range power is especially impressive, and if you keep the bike singing in the fat part of the range, there?s not much around that?s going to pull you through the gears. Again, because of the shared components, the 400 EXC weighs exactly the same as the 520 model.
Like the 520 EXC, the 400 has the oh-so-sweet electric starter. You?ll find the smallish battery in the air box under the saddle. KTM told us that it was good for about 25 five-second cranks before it needed some running time to re-charge it. While we?re peering at the battery in the air box, you?ll find an easily removable big air filter in there. It seems to be well protected from the elements.
Maintenance on all four of the bikes is identical. You?ll find four filters in the lubrication system. Two of them are replaceable items and the other two are cleanable screens. Only one oil line of the seven is not built in to the center cases, which saves weight and eliminates oil leaks. There?s an oil level viewer to check the level, rather than a conventional dipstick. Only 1250 ccs of oil is required, and frequent oil changes are recommended for longer engine life. TECHNICAL SPECIFICATIONS |
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| 2000 KTM 400 E/XC | |
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Engine Type; |
Single Cyl. 4-Stroke, SOHC/4 Valve Head, Liquid Cooled, Automatic Decompression System |
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Cylinder; |
Mahle Nikasil Coated |
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Exhaust; |
Twin Head Pipe, Two Into One Collector |
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Silencer; |
Aluminum Muffler w/ Krizman USFS Approved Spark Arrestor |
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Bore and Stroke; |
89.0mm X 64.0mm |
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Displacement; |
398ccm |
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Trans; |
6 Speed EXC, Wide Ratio |
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Gear Ratios; |
1st -14:34, 2nd - 17:31, 3rd - 19:28, 4th -22:26, 5th - 24:23, 6th - 26:21 |
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Primary Ratio; |
30:81 |
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Final Drive; |
14 /50, 520 O-Ring Chain |
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Trans Oil; |
SAE 10W-40 wt.; Capacity 1200cc |
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Spark Plug; |
NGKCR8EK |
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Fuel; |
Premium Fuel (92+Octane U.S. Octane) |
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Fuel Capacity; |
9L/2.4 U.S. gallons |
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Carb; |
Keihin MX-FCR 39 |
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Jetting; |
Main: 1 75 Idle: 48 Start: 85 Needle: OBDTM Slide: #1 5 Needle Position: #2 Mixture Screw: 1? Turns Out Kokusan 4K3 Electronic, w/ Lighting Coil 12v1 10w |
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Ignition Timing; |
5? B.T.D.C. @ 1000 R.P.M. |
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Mainframe; |
Chrome-Moly |
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Sub Frame; |
Aluminum |
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Fork; |
WP 43 USD, MA |
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Fork Travel; |
295mm/11.6 inches |
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Fork Oil; |
SAE 5 wt. |
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Rake Angle; |
26.5? |
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Front Brake; |
260 mm/10.2" Disc, Brembo Double Piston Caliper, Sintered Pad |
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Front Tire; |
Bridgestone M77 80/100 X 21" |
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Shock; |
WP PDS, External Adjust Compression/Rebound |
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Rear Wheel Travel; |
320mm/12.6 inches |
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Rear Brake; |
220mm/8.65" Disc, Brembo Single Piston Caliper, Organic Pads |
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Rear Tire; |
Bridgestone M78 110/100 X 18" |
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Seat Height; |
92.5mm/36.4 inches |
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Wheelbase; |
1481 mm/57.3 inches |
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Ground Clearance; |
380mm/15.0 inches |
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Weight; |
112kg/246.8lbs. (dry) |
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