KTM/Husqvarna 450, 500 & 501 Engine Rebuild | Part 3: Bottom End Teardown

Rebuild the engine on a KTM/Husky 450 and 500
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This is part 3 in our KTM/ Husqvarna 450 and 500 complete engine rebuild series. In this video, we dive deeper into this engine, continuing into the bottom end teardown. The steps shown here will be very similar for other late model KTM and Husqvarna 450 and 500 dirt bike models. Stay tuned for this series to see the complete engine disassembly and rebuild process.
Watch Next: Part 4
• KTM/Husqvarna 450, 500...
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[@77SuperAs]

Thank you from Poland!

[@Youngincooley]

Feel like u taking apart a Rolex watch and got to rebuild it

[@alanmason6066]

I it imperative to remove the primary gear when splitting the cases? I'm planning on doing the 6th gear install, and the puller is out of stock until July. Thanks

[@sourceoffroad]

At what point did he remove the primary gear nut..???

[@gordonhill28]

Skipped over that. Also the important detail that the primary gear nut is reverse threaded.

[@gophop]

The primary gear doesn't need to come off to do the 6th gear add, right? Probably nothing but the clutch need to come off the right side of the engine.

[@jarrodbono7201]

Excellent videos on motor disassembly but I can not find the video explaining how to add the 6th gear or parts needed. Can you share the link to that video?

[@rmatvmc]

You can check out the bottom end assembly video here: kzbin.info/www/bejne/fJK1eKd4atJ_ebM

[@jarrodbono7201]

@@rmatvmc video 4 shows the transmission being installed into the case but what I’m asking is where is the video showing the breakdown of the transmission removal of all the gears off the main and counter shafts showing the extra parts needed to add 6th gear.

[@zacharycrockett9884]

What's the part number for that 6th gear addition. And would it work on 2019 450sxf

[@ronmor8237]

Holy wow, the first video with the top end I was like "ok...scary but ok..." Then I saw this video and almost threw up lol

[@djantix1200]

VERY IMPORTANT TO NOTE!!!!!! The collar on the end of the countershaft that is seen at 13:47 in this video is not shown in your rebuild video of the same motor! I learned that the hard way...LOL

[@typrall9028]

Ça sert à rien de bloquer le pignon de sorti de boite pour desserrer l écrou de la noix. La noix tourne toute seule et rien ne peu l empêcher de tourner. En tout cas sur les 2 temps. J comprends pas comment vous faites en bloquant le pignon. On a aussi tendance à oublier de remplacer les roulements de pignon d arbres de boite. Ces roulements en dessous des pignons.

[@louisconan4044]

Vitesse engagé ca entraîne les 2arbres donc en bloquant un ca bloque