Hot Rods | SKU: H-CBK0187

Hot Rod Bottom End Kit KTM 85SX 13-16

$758.95; ~~$770.85~~; $758.95
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Hot Rod Bottom End Kit KTM 85SX 13-16

~~$770.85~~ $758.95

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Hot Rod Bottom End Kit KTM 85SX 13-16

~~$770.85~~ $758.95

The Hot Rods CBK0187 is a complete bottom end rebuild kit put together for the KTM 85 SX and 85 BW (2013–2016) and the Husqvarna TC 85 and TC 85 BW (2014–2016). Rather than sourcing lower-end components separately, you order one part number matched to these engines.

It suits riders, parents and workshops facing a scheduled lower-end refresh on a race-used 85, where the crankshaft assembly has reached the end of its service life. Bottom end work is engine-out, specialist territory, so we'd recommend fitment by an experienced mechanic with the factory service manual on hand.

Fitment note: always confirm your bike's model year and engine number against the kit before ordering, as 85 platforms changed across model years.

Complete bottom end rebuild kit supplied under a single part number, CBK0187
Fits KTM 85 SX and KTM 85 BW, 2013 to 2016
Fits Husqvarna TC 85 and TC 85 BW, 2014 to 2016
Matched kit format removes the guesswork of ordering lower-end parts individually
From Hot Rods, a long-established supplier of crankshafts and engine rebuild components for off-road motorcycles

Brand	Hot Rods
Part Number	CBK0187
Type	Complete bottom end rebuild kit
Fitment	KTM 85 SX / 85 BW 2013–2016; Husqvarna TC 85 / TC 85 BW 2014–2016
SKU	H-CBK0187

Have the kit fitted by a qualified mechanic — bottom end work requires engine removal, case splitting and specialist tools.
Work to the factory service manual for your exact model year and follow its torque figures and assembly sequence; do not substitute generic values.
Split and reassemble cases in a clean, dust-free area, and wash all components and case halves thoroughly before assembly.
Use a proper press, puller and case-splitting tool to remove and install the crankshaft — never drive or hammer components into place.
Pre-lubricate bearings and seal lips with clean oil before assembly, and handle sealing surfaces carefully so they are not nicked or scored.
Check crankshaft runout with a dial gauge after installation and correct it to the manufacturer's tolerance before closing the engine.
Refill with fresh transmission oil and coolant, then leak-test the sealed engine before start-up to confirm the seals and gaskets are doing their job.
Run a gentle break-in with light loads and varied throttle for the first few heat cycles, allowing the engine to cool between them.
Change the transmission oil early after the rebuild, then keep to the manufacturer's service interval — 85s are worked hard and oil condition is the best early warning.
Store the kit in its original packaging in a dry place until fitment so the bearings and sealing surfaces stay clean and free of corrosion.