2017 Alta Redshift MX Dirt Bike Torque Specs

2017 Alta Redshift MX Dirt Bike Torque Specs

Shop parts for a 2017 Alta Redshift MX Dirt Bike.

The 2017 Alta Redshift MX arrived as one of the first serious electric motocross bikes to hit the market. Packing a 42-horsepower permanent magnet AC motor that pushes 120 ft-lbs of torque through a 3.5:1 single-speed gear reduction, the Redshift MX was purpose-built for closed-course racing with instantaneous throttle response and zero shifting required. Keeping every fastener on this machine properly torqued is essential — there’s no gradual power buildup to warn you before a loose bolt becomes a serious problem.

No Engine, No Engine Torque Specs — But Plenty of Critical Hardware

As a fully electric motocross bike, the 2017 Redshift MX eliminates the need for many torque specs that gas-powered riders take for granted. There are no spark plugs to seat, no oil drain plugs to snug, no cylinder head or base bolts to worry about, and no flywheel or clutch hub nuts in the picture. What you do have is a densely integrated aluminum bulkhead that functions as motor casing, cooling jacket, inverter housing, and transmission case all in one unit. Every structural and mechanical fastener on this bike threads into either aluminum or steel, and each one plays a direct role in keeping the chassis tight under the punishing loads of motocross riding.

Suspension & Chassis

The 2017 Redshift MX uses a WP 4CS closed-cartridge fork and a WP 5018 link-type rear shock, both fully adjustable. The frame is forged and welded aluminum with a permanent mold cast swingarm. These components experience severe stress during motocross — hard landings, whoops, and aggressive cornering all demand that suspension and chassis fasteners hold their specified torque values without fail.

When reassembling the front end on the 2017 Redshift MX, always tighten the lower triple clamp pinch bolts before the upper clamp. This sequence lets the fork tubes find their natural alignment once the front axle is seated and the wheel is on the ground. Over-tightening the upper clamp first can bind the tubes and create a harsh, unresponsive front end.

Wheels & Drivetrain

The 2017 Redshift MX rolls on Warp 9 Elite wheels — 21-inch front and 19-inch rear, the standard motocross configuration. The single-speed drivetrain uses a chain and sprocket setup with a countershaft sprocket nut and rear sprocket bolt pattern that should be checked regularly, particularly after aggressive track sessions where chain loads spike during hard acceleration and deceleration.

Thread locker on the rear sprocket bolts is strongly recommended. The constant acceleration and deceleration loads in motocross create ideal conditions for these fasteners to gradually work loose without it.

Brakes

Stopping power on the 2017 Redshift MX comes from Brembo components — a two-piston caliper with a 260mm rotor up front and a single-piston caliper with a 240mm disc at the rear. Steel-braided lines provide firm, predictable lever feel. On a bike that weighs just 265 pounds and accelerates as hard as the Redshift MX does, reliable braking is a non-negotiable part of the package.

All six disc bolts on each rotor should be tightened in a star pattern to distribute clamping force evenly. Uneven tightening can warp the rotor and introduce brake pulsation — something you definitely don’t want heading into the first turn at speed.

Bulkhead & Motor Housing Hardware

The aluminum bulkhead on the 2017 Redshift MX is the single most important structural component on the bike. It connects the frame, swingarm, airframe, and trellis skidframe while also housing the motor and its cooling system. Fasteners in this area should be checked periodically, especially after crashes or significant impacts.

Dry Torque Versus Wet Torque

Torque values listed here assume dry, unlubricated threads. When a fastener is oiled, greased, or coated with thread-locking compound, friction between the threads decreases. The result is that the same wrench setting generates more clamping force than intended. This can overload the fastener or damage the threaded receiver — a costly problem on aluminum components. If you’re applying thread locker or the bolt threads are oiled, reduce the torque setting by roughly 15–20% to compensate.

The Cost of Getting Torque Wrong

Over-torquing a bolt on the 2017 Redshift MX risks stripping threads in the aluminum bulkhead or frame castings. Unlike steel, aluminum doesn’t give you much warning before threads pull — once the damage is done, the repair often means replacing the entire component. Under-torquing creates a different kind of danger. Loose suspension bolts introduce play that degrades handling predictability. A loose front axle nut can allow the wheel to shift position, and an under-torqued swingarm pivot will let the rear end flex unpredictably through corners.

On a motocross-focused machine where 120 ft-lbs of torque hits the rear wheel from zero RPM, every connection point must be secure. A quick torque check before each ride session takes minutes and can prevent hours of repair work — or worse.

Thread Locker Recommendations

Medium-strength (blue) thread locker is appropriate for the following fasteners on the 2017 Redshift MX:

• Rear sprocket bolts
• Front and rear disc bolts
• Linkage bolts
• Subframe bolts
• Skid plate bolts

High-strength (red) thread locker should only be used where semi-permanent installation is intended. Heat will be required for removal. Do not use any thread locker on axle nuts or swingarm pivot bolts — those joints rely on proper torque and clamping force for retention.

Selecting a Torque Wrench for the Redshift MX

A torque wrench covering the 5–100 Nm range handles nearly every fastener on the 2017 Alta Redshift MX. Three types work well for dirt bike maintenance:

• Click-type: Delivers a tactile and audible click at the preset value. Reliable, widely available, and the go-to for most home mechanics doing routine maintenance.
• Beam-type: The simplest design with no moving parts to wear out. It reads torque on a scale as you pull. Affordable and accurate, though harder to read in cramped spaces.
• Digital: Displays the exact torque value on a screen and typically beeps at the target. Best for precision work on small fasteners like disc bolts and master cylinder hardware.

A combination of 1/4-inch and 3/8-inch drive wrenches will cover everything from the smallest brake hardware to the largest axle nuts on the 2017 Redshift MX.

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Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.