The gx390 is all new for 2010, featuring more power, quieter performance, lower fuel consumption, and lower emissions. Superfast performance products inc extreme engine systems 828 980 8072 9. Honda gx390 horizontal engine honda replacement spares available kudu industrial lawnmower with honda gx390 engine engine type aircooled 4stroke ohv bore x stroke 88 x 64 mm displacement 389 cm3 net power output 11. The gx390 engine is suitable for a wide range of heavyduty applications such as construction equipment, tillers, generators, welders, pumps and other industrial applications. Download honda gx390 engine torque specs format pdf book free download books honda gx390 engine torque specs honda gx390 engine torque specs is rather recommended guide you should go through simply because all the things you go through like honda gx390 engine torque specs will fill your head with new bits of data, and you simply never jf11 pdf. Gardening mall replacement for honda gx240 gx270 gx340 gx390 8hp 9hp 11hp hp muffler. To enable this, create a smart collection named all products and set the condition to product price is greater than 0. Our pro velocity cylinder head kits are fully machined, including milled cylinder deck surface, multiangle valve job, ported and polished runners, flow tested on a superflow flow bench to ensure port flow and velocity meets requirements, nitrided stainless steel valves with hardened tips no lash caps required, split style automotive type valve locks and billet aluminum valve spring retainers. Dip main bearing bolts and crankshaft damper bolt in clean engine. Gx240 gx270 gx340 gx390 ut2rt2 technical manual 2010 american honda motor co. The honda engines g65, g80 engine shop manual covers service and repair procedures for the g65 and g80 general purpose engines. This manual contains information on how to do that. Honda gx390 hp engine parts diagrams hondas gx390 hp engine is the largest single cylinder ohv engine that honda builds.
Everest full gasket set compatible with hp honda gx390 gas engines. Correct engine matching ensures that the engine will be durable and emission. You can create a collection through the collections menu in shopify admin. Auto express new fits honda gx390 hp cylinder head gasket. Table listing honda small engine cylinder head torques. The power rating of the engines indicated in this document measures the net power output at 3600 rpm 7000 rpm for model gxh50, gxv50, gx25 and gx35 and net torque at 2500 rpm, as tested on a production engine. Keep this owners manual handy, so you can refer to it at any time. The honda gx390 k1 has overhead valve design, singlecylinder inclined by 25, transistorized magneto ignition system and horizontal carburetor with a butterfly valve.
Jun 05, 2010 does anyone know the rod cap torque and the head bolt torque setting. Check that all shields and covers are in place, and all nuts, bolts, and screws. It boasts a small foot print for easy mounting and can power applications that pose difficulty in mounting a twin cylinder engine. How to find your honda engines model number honda engines gx390 parts diagrams. This is a 3 part series comment, like or whatever you are thinking. Fastener type torque spec main cap bolts 6070 ftlbs outer main cap bolts 3540 ftlbs. Enter your model number in the search box above or just choose from the list below.
Technical information valve adju valve adjusting lock nut cam pulley 6. Applications manual, owners manual, technical manual, quick reference manual. Discussion in mechanic and repair started by timbvr, jun 5, 2010. This item auto express new fits honda gx390 hp cylinder head gasket hp engine. The service and repair information contained in this manual is intended for use. This manual should be considered a permanent part of the engine and should. This owners manual is considered a permanent part of the engine and should remain with the engine if resold. Make liter cid engine model year rod torque main torque cylinder head bolt torque acura 1. Environmental protection agency and the california air resources board regulations. Honda engines shop manuals publications honda power. The new engine has variable ignition timing digital cdi. The head bolts are located below the cams, so you have to take the cams out to get to the bolts. Stock, factory crankshaft only, with stock, factory timing gears in factory location. Download or purchase honda engine owners manuals for the gx390.
The triangle mark on the starter pulley will align with the top hole on the starter cover when the piston is at top dead center of the compression or exhaust stroke. Gx240 gx270 gx340 gx390 ut2rt2 technical manual valve clearance checkadjustment remove the head cover bolt 1, the head cover 2, and the head cover packing 3. Jan 29, 20 fastener type torque spec main cap bolts 6070 ftlbs outer main cap bolts 3540 ftlbs. The power rating of the engine indicated in this document is the net power output tested on a production engine for the engine model and measured in accordance with sae j49 at 3,600 rpm net power and at 2,500 rpm max net torque. Im a auto mechanic so i have 14 38 12 torque wrenches and a angle meter.
From spring 2010 onwards, honda producing the updated version of gx390 engines with larger displacement. Model manufacturer engine type maximum horsepower mhp displacement bore x stroke compression ratio engine speed 1 starting system d models only. Honda gx390 cylinder head parts superfast performance. Honda gx390k1 389 cc, hp small engine specifications. Feb 04, 2010 can you tell me the the connecting rod and head bolt torque specs in inch pounds for a. We have 17 honda gx390 manuals available for free pdf download. Honda engines gx340 4stroke engine features, specs. This video shows the valve repair of a honda gx390. Small engine gx390 what would be the torque on the head.
Aftermarket steel main bearings of nonselfaligning type, with or without seal are allowed. Gx240 gx270 gx340 gx390 1 thank you for purchasing a honda engine. The duration check for intake and exhaust lobes is listed below. Turn the crankshaft and set the piston at top dead center of the compression stroke both valves fully closed.
Engine service specifications 19982009 american honda motor co. When torquing bolts or nuts, begin with largerdiameter or inner bolts first and. Stock camshaft 7only, ezspin assembly must remain as stock. If a problem should arise, or if you have any questions about your engine. Home honda honda gx390 k1 honda gx390 k1 the honda gx390 k1 is a 0. Torque specs is rather recommended guide you should go through simply because all the things you go through like honda gx390 engine torque specs will fill your head with new bits of data, and you simply never jf11 pdf download pdf. Gx240 gx270 gx340 gx390 international power systems. Intake manifold bolts 2325 ftlbs oil pump bolt 2328 ftlbs. Be sure to apply anti sieze or dip the head bolts in oil, before you torque them down or you might pull out the threads.
The torque specs for the head bolts in sequence is 20, 40, then end at 63ft lbs. Parts lookup for honda engines power equipment is simpler than ever. Honda engine distributors and equipment manufacturers that use honda engines are required by regulation to follow this oem technical manual. Actual power output for the engine installed in the final machine will vary depend ing11. Correct engine matching ensures that the engine will be durable and emission durable in use. Honda gx390 manuals manuals and user guides for honda gx390. Honda engines gx340 4stroke engine features, specs, and. Auto express new fits honda gx390 hp cylinder head. We want to help you to get the best results from your new engine and to operate it safely. Explanation of model numbers and date codes pdf connecting rod torques. Gx390 specifications dimensions diagrams performance curve specifications engine type air cooled 4 stroke ohv bore x stroke 88 mm x 64 mm displacement 389 cm 3 net power output 11. Be sure to apply anti sieze or dip the head bolts in oil, before you torque them down or you. My buddy is a landscaper and i fix all his gear on the side for him. Torque values mm nm kgfm lbsft crankcase cover bolt m8 x 1.
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