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2010 Husaberg FE 390 First Ride

Monday, August 17, 2009
It likes to play in the nasty stuff. In fact  it just likes to play period.
Can less really be more with the radical Husaberg design? Small changes give the FE 390 a totally different personality than its big brothers.
Nobody has built a true middle-ground bike to bridge the gap between high-strung 250cc 4-strokes and overbearing 450cc thumpers. While we all wait for the elusive “350,” Husaberg turned out what it considers the happy medium, at least for the enduro world. The 2010 FE 390 is unlike any other bike on the market, but does that make it an odd-ball or genius?

Husaberg likes to do things differently, and always has. With innovation and rideability at the top of its list, the Swedish firm shocked everyone with the release of its 2009 FE 450 and 570. The radical engine and chassis design produced a bike that had the smooth, abundant power of a 450 enduro and handling that resembled 250cc machinery. The offshoot of parent company, KTM, decided to play on those characteristics to create a bike that suits those in-between riders – the perfect trail bike. Our test ride in Olympia, WA proved that the 390 pretty much accomplishes that goal across the board.

2010 Husaberg FE 390 First Ride2010 Husaberg FE 390 First Ride
The engine is really where the difference is at. A smaller stroke turns this ride into a much smoother, manageable version of the 450 machine.
First off, Husaberg didn’t reinvent the wheel to create the 390. It’s virtually the same as the FE 450 with a few minor changes – little tweaks that add up to a big difference in performance and overall characteristics. The SOHC single-cylinder engine is the heart of what makes this bike so good. Usually, OEMs are constantly trying to lessen the moving inertia inside a motor in an attempt to break away from the typical 4-stroke handling. Since it already had a superb-handling equation, Husaberg went the other direction with the 390 and tried to boost that “rideability” factor by increasing inertia. Engineers installed a new crank with longer connecting rod that shortened the stroke from 63.4mm to 55.5mm. The 393cc engine uses a new piston with revised squish characteristics and slightly less compression. A new camshaft tops off the engine with titanium intake valves, a new chain tensioner, oil control rings and nitrated piston rings. Other durability upgrades occur in the six-speed transmission which gets reinforced idler gears for all but the third and fourth cogs.

First gear was great though I wouldn’t have wanted it any lower, but second and third could have used a little more grunt deep off the bottom. I never used first during the race, opting to use the clutch instead for the higher gears. It’s just one of those things where you’ll have to ride it on your own trails and mess around with final gearing, like with any bike. However, the upside of our Olympia test was that it allowed me to hassle the hydraulic Magura clutch. I used one finger for about the first half of the race before having to switch to two in the later stages, which is about half-a-race longer than I normally do. The pull is light and the action is solid from the steel-braided lines. It didn’t howl like some hydraulics we’ve ridden in the past, even during our super-technical photo shoots. No complaints here.

2010 Husaberg FE 390 First Ride
Getting under the seat is quick and
easy, and the airbox/fuel tank
layout gives better weight
distribution and deep-water
The closed-loop fuel injection system feeds through a downdraft Keihin 42mm throttle body. I rode the bike using the most aggressive of three available fuel map settings, but the power was still extremely smooth and linear. For a comparison, I sampled the FX 450 very briefly and found that the tamest setting worked best, which should give some indication of how smooth the 390 really is. Husaberg revised the EFI mapping specifically for the 390 and offers an optional user setting tool which will make swapping between options a simpler process.

There is some engine vibration at higher rpm, but the lump performs best in the low-to-mid range. This ‘Berg puts down more traction than any other bike I’ve ridden. Off-cambers and slick sections are where the 390 shines. Actually, it excels at anything technical and you can ride all day without getting worn out – trail riders take note. Several of the design features really lend the 390 towards the extreme enduro market. Of course, the ease of use and constant traction are extremely valuable, but other tidbits add up as well. Having the air filter up where the fuel tank traditionally sits give the bike above average water-crossing ability. Changing the filter requires no tools with a cable noose seat release. With the cylinder resting at a 70-degree forward tilt, mass centralization is maximized and the stainless steel exhaust header is routed tight to the engine for a more compact layout. The pipe is away from crash-damage harm and the only time I melted my pants was when I manhandled it from the side and stuck my knee against the header. My leg never touched it during normal use. It also gets a new X-ring chain

2010 Husaberg FE 390 First Ride
The front end sticks - everywhere.
So does the rear, for that matter.
There is no kickstart lever. I know, I know… get with the times, Hilderbrand; trust the technology. KTM has a great reputation with their electric-only systems and Husabergs appear to be holding up as well, but am I the only one out there who likes having the option? It’s not like I’ll ever use it given the choice, but it’s those times when there is no choice that I worry about. Do you want to take this thing deep in to Baja and have the battery go out? Call me paranoid… The starter worked fine during our test. It never really lit the motor immediately, but it never failed to get us going either, it just likes a few extra cranks. Regardless, Husaberg claims the motor weighs around 68 pounds in its current form.

I enjoyed the extra ground clearance in the endurocross sections, but also on the trail where I crossed several slimy logs and the occasional misstep sent the 390 over a trailside object. The bike just didn’t get unsettled. It doesn’t bounce or deflect, and the only handling issue I had to adjust to was an overabundance of traction – not exactly something to complain about.

2010 Husaberg FE 390 First Ride
The 'Berg just isn't made for this.
Try the FX 450 if you want to take
The double-cradle perimeter steel chassis is a wonderful complement to the user-friendly motor. Even though it weighs the same, it feels lighter than the 450 while riding. Tip it over, however, and the ‘Berg shows all of its claimed 251 ready-to-ride pounds. A new black-anodized 22mm-offset triple clamp (up from 19mm) keeps handling very precise without being oversensitive, and the front tire offers as much grip as the rear. The front end feels a bit heavy at times, but it puts a lot of emphasis through the soft WP fork. The 48mm open-cartridge unit up front required some stiffening on the compression circuit, but I still could have continued making improvements with more tuning. However, suspension on both ends is very trail-oriented and comfortable.

Remember that comment about never getting unsettled? The fork and shock are very active and there is little transfer between the two. For instance, hard impacts in front don’t cause rear end to squat and subsequently buck. The linkless design in the rear operates independently of the fork, and I was generally happy with them all around on woodland terrain. The fully adjustable shock still has to be completely removed to change preload settings, a feat accomplished by removing two mount bolts.

The brakes also get steel-braided lines and a new Brembo twin-piston caliper up front, which came from the KTM SX models, provides amazing feel and power. Toyo brake pads are new as well and pinch a 260mm wave rotor. I was very happy with the progressive bite, and combined with the excellent traction from the front wheel, this bike is one of the easiest to command with surgical precision. All the FE models are green-sticker legal with a headlight, taillight and permeated 2.25-gallon fuel tank. It’s also wired for a brake light and the handlebar-mounted control module offers high/low beam switch and horn connection (though there’s nothing attached), so dual-sporters have instant options.

Husaberg created a terrific trail bike, no doubt, but one that isn’t going to work in all situations. It was fantastic in the tight Washington trails, and once we got moisture on the ground it showcased its talents even more. The nastier the
Can less really be more with the radical Husaberg design
It likes to play in the nasty stuff. In fact, it just likes to play period. We would love to have this bike in the garage, because there isn't much else that competes as an all-around trail bike for our needs.
conditions, the more we appreciated the FE 390’s attributes. However, soft suspension and a mild motor will suffer in high-speed open terrain, even with the increased stability this year. Not to worry, that’s why they make the FE 570 and cross-country-targeted FX 450.

Husaberg didn’t want to make a 250cc machine since it believed that the existing 450 handled like a smaller bike. However it did want to offer a motor configuration that isn’t as physically demanding as the big model and caters to regular riders before the racing crowd. We had plenty of fun racing it just for kicks, but the FE 390 is an excellent trail machine on virtually every level. This bike isn’t solely for the enigmatic or wealthy collector, either. Priced at $8898, there are plenty of enduro riders who will find this bike attractive at all levels – especially those who embody the fun-first attitude.
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Husaberg FE 390 Dealer Locator
2010 Husaberg FE 390 Technical Specs:
2010 Husaberg FE 390 First Ride
Engine: Single cylinder, liquid-cooled 4-stroke, 393cc
Bore x Stroke: 95 x 55.5mm
Compression Ratio: 11.1:1
Fueling: EFI, Keihin 42mm throttle body
Ignition: Electric start only
Transmission: Six-speed, hydraulic clutch
Final Drive: 13/52, Chain
Chassis: Double cradle perimeter 25CrMo4, cross-linked polyethylene subframe
Front Suspension: WP-USD 48mm, 11.8 in. travel
Rear Suspension: WP-PDS shock absorber, 13.2 in. travel
Front Brake: Brembo twin-piston caliper, 260mm wave rotor
Rear Brake: Brembo single-piston caliper, 220mm wave rotor
Front Wheel: 1.60 x 21” D.I.D. Dirt Star
Rear Wheel: 2.15 x 18" D.I.D. Dirt Star
Wheelbase: 58.1 in.
Seat Height: 38.8 in.
Ground Clearance: 15.4 in.
Curb Weight: 251 lbs. (claimed)
Fuel Capacity: 2.25 gal.
Available Colors: Blue
MSRP: $8898

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KevinD -Husaberg FE 390  January 23, 2011 08:59 AM
It's not often that after reading the marketing and advertising of a given product that I can honestly say that they really did not misrepresent what this bike is all about. Not only that, I bought it brand-new for an excellent price. It was a 2010 left-over indeed but it wasn't that much more than an Asian bike if at all. I can ride this machine in the woods all day and I haven't even touched the suspension yet. It needs to be dialed in but I'm having too much fun riding it and would rather be doing that then messing with it on a stand. The FI is a pleasure and is not brash when you crack the throttle. Last bike I'll need if there are no issues. It's that impressive for me and the style of riding I do. Nice Enduro Bike.....
Cliff -FE390 Lacks power  April 12, 2010 09:54 AM
I just Demo'd one this weekend and compared to my '02 400 EXC, it didn't have the punch I'm used to... it felt slow.
Randy -Sand Able  February 17, 2010 07:02 PM
There was mention in the video about being heavy in the front end. Anyone have any idea if this would mis-perform in soft sand. Thanks for the input.
Burritoman -Can't wait to ride one; great write up  February 5, 2010 07:52 PM
My riding buddy just got one, and so I'll get a chance to hit some washington singletrack with it tomorrow! It will be interesting to compare it to my Husky...
Ryan -Enduro club  January 25, 2010 11:47 AM
Mike - where is the enduro club in SW IA? I'm from Glenwood and don't know anything about it.
Sylviu -Berg FE 390  December 10, 2009 03:36 PM
great pics, great test ride and writing, and great bike... :-)
You think $9000 is expensive?
Try buying this bike in Israel where it is about $24,000 !!!
Yes, the sum is correct, no mistake
Now add to this $1300 per year only for liability insurance...and if you wish to have all risk insurance as well, pls add about $3k more..
Crazy taxes...
Yes, you have guessed right, I am one of the frustrated guys in Israel that would LOVE TO HAVE A NEW BERG :-) but needs to win the lottery first
Paul -390 review  October 29, 2009 11:13 PM
The 390 is the best bike I have ever riden and makes my 06 ktm 450 exc look like a dinasor.
Brie -Husaberg  September 16, 2009 10:54 PM
Hey guys, does anyone have a husaberg 390cc??? Im considering buying one and wanted to know if the are reliable?
CodeMonkey -Fuel mileage  August 30, 2009 08:24 PM
RonK: The mileage is not the best. My 570 gets about 32 MPG riding tech trails. Range is about 60 miles. Aqualine will be selling aux. tanks in a month or so that wrap around the stock tank, and a saddle tank. Between all three tanks you would have over 6 gallons.
Timbitkiller -Berg review  August 21, 2009 11:05 PM
32 years riding,almost as many bikes owned,current 05 husaberg 650FE,best bike ever!
Dusty Roads -$$$$  August 21, 2009 04:49 AM
Add taxes and it's over $9,000 !!!!!
Your out of your mind(author)to suggest the price isn't high !!!
New cars can be had for that!!
Craig Wood -My backyard - Olympia  August 19, 2009 10:55 PM
Hey! You tested the Berg in my home terf here in Olympia. If you're here again let's ride. I've been riding Capital Forest for 20 years. My new ride is a KTM 450XC-F.
JC -RE: JamieB  August 19, 2009 08:34 AM
It’s great that KTM is stepping up to support us, and I’m doing everything possible to make sure that continues. Having you guys give feedback and show that we have interested readers really helps.

As for the 450 MX comparison testing, we haven’t had a KTM ever! If we can round one up this season I’ll certainly toss it on the dyno.

I’m sure you’ll be bummed to hear that there was a 300 on hand at the test, but by the time I had ridden/raced the FE 390, FX 450, 150 XC and 250 XC in a day and a half, I just ran out of time (and muscle strength). Trust me, that’s a bike I’d like to have a good crack at, for more than just a quick ride, so we’ll see what we can do. Just for the sake of gossip, I hear that some industry folk built a 300 that weighs 199 lbs with a one-off full titanium pipe from FMF, etc. That would be a wicked machine!
ron k -mileage  August 19, 2009 08:19 AM
I would like to know what the fuel range is since you cannot get a larger tank? looks like it is not a good desert bike
JaimeB -KTM test  August 18, 2009 07:53 PM
Hey, J.C., now that kTm is lending MC-USA bikes - the Husabergs - how about grabbing a 300 XC for a thorough test. I'd be nice to know how much torquier it is over the 250 tested a couple months ago.

As for the 450 SX-F, correct me if I'm wrong, it has been two years straight w/o one for the 450's shootout. Grab one and dyno it.

A++ write up on this 390 w/excellent video, as always!
x2468 -re: Bob  August 18, 2009 03:35 PM
That must be an issue with your dealer Bob, because KTM isn't the little guy anymore, with the dealer parts issues they had pre-2004. When I go to local hare scrambles now it's like a field of orange, with a gasgas, yamaha, and kawi every now and again. If i were KTM i'd just allow Bergs bikes and parts to be orderable at any KTM dealer. They all come from the same factory in austria. But then they'd probably sell out of bergs faster than they want, since they don't make very many of them.
Bob -Parts from Where?  August 18, 2009 03:16 PM
"...60% of the components can be ordered straight from a KTM parts catalog" My San Antonio TX KTM Dealer can't even get KTM Parts...
sean -Nobody has built a true middle-ground bike to bridge the gap  August 18, 2009 12:09 PM
Husqvarna WR300 & TE 310?
FDLL -Moto nich otto  August 18, 2009 11:00 AM
wath you say???
JC -RE: Mike  August 18, 2009 10:52 AM
A limited dealer network is tough, but the cool thing about Husaberg these days is that they share so much with KTM. The reps told me that roughly 60% of the components can be ordered straight from a KTM parts catalog - and most of those are common components. So if you can find a way to get a bike, accessing parts might be easier than you think.
x2468 -Berg  August 17, 2009 08:56 PM
If money were no issue I'd get the Fe570 and add a christini and 2moto kit to it. that'd be amazing. also, cool to see the bergs are coming with lights and green sticker this year.
AlanG -Husaberg 390  August 17, 2009 07:22 PM
It has the same bore and stroke as the newer 08/09 KTM 400.
Mike -I am impressed, and want one  August 17, 2009 05:31 PM
I am a member of a Enduro club, and ride enduro's in Iowa. Problem though, no Husaberg dealers near me,for miles, in southwest Iowa.
Howie -I want one  August 17, 2009 03:59 PM
Can you say trail dominator?
With a bike like this you could probably bump up a class in the NW race scene.
DeezNutz -Really Sweet  August 17, 2009 03:24 PM
I love these Berg's- always have. The problem is the price. It would be nice to drop that kind of loot on a toy but times are rough. Oh well, at least I can get my fix by your great videos. Keep up the good work.
Lyle -Great Pic!  August 17, 2009 12:19 PM
That first photo is awesome! That bike looks like it gets the job done! It's the first Husaberg that's ever peaked my interest. Impressive.