16 Sep 2013 This is the OFNA JL .28 Max 4-Port Pull Start Nitro Engine. OFNA has worked it's modifying magic again, applying it to the already proven lineI have a Ansmann Hogzilla with a 4.6cc 28 Engine the same one as on HPI Big .. ofna.com/pdf/52217-Force-28.pdf Ofna engine manual. OFNA Racing Force .28 manuals and user guides for free. Read online or download in PDF without registration. 23 Apr 2009 Nitro On-Road - Force .28 and my bleeding fingers - I cant get this damn For a engine manual, the Ofna web site ofna.com, has a section of FORCE 28 PULL START Your OFNA engine is extremely tight when the piston is at the top of the stroke and turning the . 1.95. 52217 .28 FORCE PARTS LIST. Results 1 - 48 of 187 This is the OFNA 52099, Force 21/25/26/28/32 Pull Start Unit .. OFNA CONNECTING ROD .21 Comp #51330 Factory Manual # P-1097. I've been having trouble getting my OFNA Ultra LX One to stay fired (will be two weeks old tomorrow and have only 1/2 tank idled through it). OFNA Racing Force .28 User Manual • Force 28 pullstart engines, Technical data • OFNA Racing Hardware. View and Download Ofna Racing DM-1 Spec instruction manual online. •Hp..2.7 •Bore19.0mm •Weight330gr 52217 .28 FORCE PARTS LIST OFNA