Jul 24, 2001 os 91 surpass ii motor mountwhich one. While we at ripmax try to ensure the information on this website is accurate, we cannot guarantee this website is free from errors or omissions. Remove the crankcase rear cover plate from the engine and rotate the crankshaft to the bottom dead center bdc position. Os 21 engine indiana hobby rc gasolinenitro engines. Always store it in a clearly marked container and out of the reach of children. Fs120 surpass mid 9,000s 15x8 to start the engine when the carb is not set, gently close the highspeed needle all the way. Unfortunately, sometimes the huge amount of information available online is a curse rather than a blessing. The surpass series is the 2nd series of 4stroke engines the 1st series was the fs series, discontinued and replaced by the surpass series around 19867. With 15% nitro, it will spin in the 9800 9900 rpm range. Fs 91 surpass four stroke cycle engine remove the needlevalve holder from the carburettor, using the wrench supplied. Be sure to use the silencer muffler supplied with the engine. P have their throttle lever on the right hand side and needlevalve control on the left. Rc engine bearings bearing applications, os engines fs surpass rc 4c 91 91 rc engine bearings bearing applications, rc engine.
It is made of durable engineering plastic and locks the crankshaft without risk of damage to any part of the engine. Engines fs91s ii p user manual it is of vital importance, before attempting to operate your engine, to read the general safety instructions and. These bearings have stainless steel races, balls, retainers and seals. What i do is a good instruction for others with engines with the same symptoms. Os fs91 surpass customer engine performance run youtube. Home shop engine spares four stroke spares os four stroke spares. Able to swing larger props and supply more usable horsepower, surpass 4strokes provide the best performance for your plane, regardless of scale or. Mount the engine in your model securely, following the manufacturers recommendations, using appropriate screws and locknuts. Shop rc plane accessories and more remote control products at tower hobbies. Get the best deals on os 48 surpass when you shop the largest online selection at.
Engines cylinder head fs40 surpass osm45204110 at rc planet and save on all our o. Page 1 it is of vital importance, before attempting to operate your engine, to read the general safety instructions and warnings section on pages 26 of this booklet and to strictly adhere to the advice contained therein. Here are the upper cylinder components, and were quickly approaching final assembly. Page 19data engine manuals in pdf please post dated manuals here engines.
Os engines exhaust thread size engine model applicable product 10x. Check out all the remote control products online at. This video describes how to align the camshaft in an os engines four stroke. Remove the crankcase rear cover plate from the engine and rotate the crankshaft to. Os fs 91 surpass customer engine disassembly part 1, video 3. Model engines, like automobile engines, exhaust deadly carbonmonoxide. The fs52s is not fitted with a manual choke control. Shop rc plane accessories and more remote control products at. Os engines fs surpass ii 4c 91 rc engine bearings bearing applications.
I bought a model with this engine in it and had a bugger of a job getting it to run. Fs91 surpass four stroke cycle engine remove the needlevalve holder from the carburettor, using the wrench supplied. Rc engine bearings bearing applications, os engines fs surpass rc 4c 91 91 rc engine bearings bearing applications, os. Jul 27, 2016 just had my new motor that had 5 x 10 minuet tank run, broke the crank pin clean off it looks like there is no radius in the corner where the pin increases in diameter where it is pressed in the crankshaft this has been missed in production this is my second 91 and the other is going well after about 100 flights so i dont have any bad things to. It is produced by the world s pldest and largest model engine manufac rocker cover turing company. I can not figure out whats up with my old 91 4 sroke. If its a 4 stroker os 91 surpass ii, from my personal experience the master airscrew 14x6 kseries is the prop that works best. Also, please study the entire contents of this instruction manual, so as to familiarize yourself with the controls and other features of the engine. Surpass refers to this series gaining 30% more power than the previous fs series.
Free shipping on many items browse your favorite brands affordable prices. Jul 06, 2016 so i thought id post a listing of the part numbers and links for a few of the common parts for the os 91 surpass original with silver valve cover, the os 91 surpass ii black valve cover, and the 55ax abl and 65ax abl 2strokes. Os 91 fs surpass manual only free downloads the supplied proxies os 91 fs surpass manual with no problem, but at random points you might receive a message that there is an ip address mismatch o. Feel free to ask me any questions if needed and thank you for your interest. Os fs 91 surpass four stroke engine appears to be in like new condition, however i do not know if it has ever been run. Fs60, the engine that brought the advantages of the fourstrokecycle to the notice of the modelworld and began the fourstroke revolution. This is the os engines surpass series fs91sii four stroke ring engine, with 60p carburetor. Quanity 1 rear hc chromium abec3c3 deep groove premium upgrade bearing. Os 70 fs surpass manual the rise of the internet and all technologies related to it have made it a lot easier to share various types of information. They are grouped by engine type on the contents page in product lineup. King motor 29cc 4 bolt 2 stroke gas engine with wt997 carb fits hpi baja 5b 5t.
Engine max91fx owners instruction manual pdf download. Fs120se is an aircooled, overheadvalve four strokecycle engine for model aircraft use. Do not allow it to come into contact with the eyes or mouth. Im currently looking for a manual for the os 91 fs four stroke engine that tells all about tuning, parts list, what bits do what.
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