2019 Factory Off-Road Bikes—Cory Buttrick’s Husqvarna TX 300

A look at the XC Gear/Enduro Engineering/Husqvarna team racebike.

Cory Buttrick’s 2019 Husqvarna TX 300
Cory Buttrick’s 2019 Husqvarna TX 300 features a multitude of Enduro Engineering products.Shan Moore

Cory Buttrick made a commitment to race the Kenda AMA National Enduro Series in 2019 as a fill-in rider on the XC Gear/Enduro Engineering/Husqvarna team when Logan Lowrey was injured. The team has primarily fielded Pro2 class riders in the past, but entered into the Pro division this year with Jake Froman and Lowrey, both of whom are currently on the injured list. With that, Buttrick is now a full-time rider on the team.

Cory Buttrick’s Husqvarna TX 300 with a XCGear Mako 360 handlebar mount.
Buttrick uses a XCGear Mako 360 handlebar mount with the hardest polymer available, which is the green one.Shan Moore

At the Rattlesnake National Enduro in Cross Fork, Pennsylvania, which served as round 5 of the series, the Ohio rider claimed his best finish so far this season with a fourth place result. Both Buttrick and team mechanic Michael “Napper” Napieralski gave us a rundown on his 2019 Husqvarna TX 300 racebike.

With Enduro Engineering being one of the title sponsors of the team, Buttrick naturally has plenty of its goodies on his bike. Starting at the front, the team runs Enduro Engineering hand guards with Evo2 deflectors. The Enduro Engineering slave cylinder guard for the hydraulic clutch with a knockdown bar is an item the company has offered for a couple of years now. In the case the chain does come off, the component helps prevent it from wrecking the cases. Other items from Enduro Engineering are the radiator braces, radiator guards, and skid plate.

“We have two skid plates,” Napieralski noted. “We have the regular one and then we have our extreme skid plate, which has more engine coverage, but we’re just running the regular skid plate with the Enduro Engineering linkage guard this weekend to help glide over logs and [other obstacles], but also protect the linkage.”

The team runs an Enduro Engineering rear disc guard, and the chain and sprockets are by Sunstar. According to Napieralski, the team tested different gearing ratios, but wound up with the stock gearing. An important item is the XC Gear Mako 360 handlebar mount, and Buttrick is running the hardest polymer, the green one.

“The biggest thing I noticed was it took the edge off of a lot of little things,” Buttrick explained. “Like if you were coming down a hill and hitting something square-edged, it definitely took that sting out of your wrist for that. Of course it helps with vibration too, but most of the new bikes are so good anyways [that] you’re not terribly worried about that.”

The exhaust system is a FMF Gnarly pipe with an FMF PowerCore silencer, and the team tests mufflers to determine which is best for each rider.

“Cory likes a lot of bark and hit,” Napieralski said. “He’s definitely more for the PowerCore. The other guys don’t like as much hit, so we run the PowerCore 2.1 [with them]; it’s a little bit longer silencer and it gets rid of some of that hit.”

Cory Buttrick’s Husqvarna TX 300 with ignition from a 2003 model Husqvarna.
Buttrick runs an ignition from a 2003 model Husqvarna, which he says gives him just the right feel.Shan Moore

Napieralski pointed out the ignition, which they did a lot of testing with before finding one that Buttrick liked.

“There are different mappings on different ignition boxes,” Napieralski explained. “From all of the years Alan Randt worked with Mike Lafferty, they tested a lot of ignitions, so I started digging through some old stuff. We tried four different ignition boxes from various years. He really liked the 2003 ignition. While we were out there testing, you could tell if it’s going well or if it’s not going well. You could just tell by the sound of the bike and the way he was riding. We just kept trying them back and forth; even doing a little timing just to see. The ’03 is what we agreed on.”

Napieralski also elaborated on the clutch.

“We’re running the Rekluse Core Manual,” Napieralski noted. “Fortunately, or unfortunately, for Rekluse, they’re really known for their auto clutches, so a lot of people don’t know that they have a manual clutch. It’s a little bit beefier clutch basket and clutch hub [than stock]. We’ve had really good luck with their plates being long-lasting.”

Enduro Engineering sets up the WP suspension in-house, which Buttrick talked about.

“First and foremost, suspension is the most important thing to me,” Buttrick said. “You’ve got to have something that you’re comfortable with. We really weren’t trying to recreate the wheel on it. We were using stuff that I’d basically been running this year, stuff that we were pretty comfortable with, and transferred some settings over to make it work on a two-stroke; basically just some lighter springs. The boys have done a really, really good job.

“Usually I’m a little on the stiff side,” Buttrick continued. “I’m not spending a lot of time [trying to get it] lower in the stroke and kind of having that wallowy feeling. Coming here to the Rattlesnake, this is one of the few places we actually make changes because of the rocks. You give the bike a little bit more of a chopper feel to get across the rocks, but again you’re still kind of just softening stuff up and speeding it up a little bit just to keep it happy going across the rocks.”

Cory Buttrick’s Husqvarna TX 300 brakes.
According to team mechanic Michael “Napper” Napieralski, the one component Buttrick is hard on is the brakes, but aside from that, he’s one of the easiest riders to work with.Shan Moore

The team uses a Braking Hi-Performance Rear Brake Kit from Enduro Engineering.

“The kit includes a Braking solid rear disc, and then we also have Braking rear disc pads,” Napieralski noted. “Cory is kind of a brake hound; he rides that brake hard. With the solid disc with the kit that Enduro Engineering sells, it comes with a backing plate as well to help take heat away from the caliper.”

Continuing on with the brakes, Napieralski told us that Buttrick is hard on them, but aside from that, he’s one of the easiest riders to work with.

“Cory likes to ride that rear brake pretty hard,” Napieralski said. “After almost every session I’m bleeding brakes and putting some fresh fluid in there. He’s definitely a brake hound. That’s probably the thing that Cory’s hardest on. This is our fourth race together now and he hasn’t really wrecked too much stuff during the race. Other times, yes, but not during the race.”