79cc Power Upgrade! +15cc Makita Dolmar 6421 to ea7900
30:15
makita 6100build pt2 porting the cylinder! this one's fussy!
21:36
Holzfforma G444! Blue Thunder! Made Stronger!!
20:28
Impressive chainsaw ! Cuttin' Timber with the Makita / Dolmar ,
11:26
Xtreem test with Husqvarna 372xp OE, Dolmar 7900 and Husqvarna 572xp (big bar & big wood)
6:35
Makita DSC-6421/Dolmar PS-7900 Chainsaw Project Finally Done!!!
29:39
Bolt on POWER!!! Echo 590-620 EASY Mods Dyno tested
21:01
makita 6100 build pt1 and the numbers! very detailed!
29:32