Modified! Stihl Ms661!! Published 2022-01-06 Download video MP4 360p Recommendations 10:21 Echo cs 7310p Modified!! 11:46 Stihl! Big bore 500i Vs Ported 661! Long bar Power? 15:50 Huge lathe Log turning!! Hotsaw log prep. 10:24 Husqvarna 55 Race build!! Horizontal Hustle saw part 1 17:41 79cc Power Upgrade! +15cc Makita Dolmar 6421 to ea7900 07:12 Cylinder repair! Stihl Ms 661c 04:22 Stihl MS 661 C-M Muffler Mod, Before/During/After 06:17 Husqvarna 395xp /xpg Ported and Dyno tested! 18:48 Stihl MS661 build part 2... the MACHINING... domed piston and decking... 15:33 85cc ! Stihl 500i Fuel injected Big bore!!! 09:26 Stihl MS660 Porting and Performance tips with a Circle Back 04:18 STIHL MS661 FRANKENSTEIN BUILD... CD2100 piston.... ported and machined... first run... 10:12 Most Powerful Modern Stihl 70cc!! 460vs 461vs 462!! 16:35 Donny walkers chainsaws porting Stihl 661 06:06 Port work an numbers on ms461 build 16:56 HUSQVARNA 592XP VS. STIHL 661C! 51:14 Stihl MS661 build PART 3... the PORTING AND POLISHING... in detail and up close Similar videos 01:09 Stihl MS 661 Muffler mod 07:08 STIHL ms 661 Muffler Mod First Run! And Weekend Project!!! 00:19 Stihl ms 661 run with muffler mod 00:47 The chainsaw guy shop talk MS 661 Test Saw Modified 01:27 Wildside Stihl 661C, ported, polished and dual port muffler mod. 01:15 West Coast Muscle Saws MS 661 Magnum Display chainsaw 05:44 Stihl 661 bark box vs stock [4k HD] 47:16 Tuning up my Stihl MS661 | How to Tune a Chainsaw! 14:27 Stihl 661 muffler mod - 5 different tested! 00:28 MS661 First Round Of Modifications 00:34 STIHL EXTREME Modified MS661 Chainsaw Shootout - Ported with Stroker Crank vs. Ported with Nitrous 06:49 Stihl MS661 Porting start to finish series part 4... TEST CUTTING!!! Sierra Nevada Timber 02:25 Ported Stihl MS661 Build 03:07 My new Stihl 661 magnum w/ a few mods 05:11 Stihl 661 Mtronic vs Standard Carb - Ported More results