Compare up to 3 models So standard keyway, mount threads and crank bolt . Ad on Ebay says 99 % of parts you can buy from Honda. 0000051352 00000 n 794572 Briggs & Stratton OEM 793224 791888 699109 698445 31E777 Carburetor Assy 69.98 25.95. thing pulls like a mule. 0000022863 00000 n Front cover bolts 12-15 ft-lbs. When this is the case, it is best practice to start from the center and alternate bolts/nuts while moving outward. Enter your model number in the search box above or just choose from the list below. Ouch yeah sounds like ya jammed a M8x 1.25 fastener into a 5/16 fine thread hole. _*lx#KO=\Q uBMxlV net torque 26.5 Nm ( 2.7 kgfm ) / 2500 rpm Ignition system Digital CDI with variable ignition timing Starter Recoil (el. 0000005690 00000 n I hope the numbers you gave me are for a different engine - maybe a GXV340 has this smaller bore? It weighs 5.40 lbs. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Official specs and features for the Honda GX340 small engine. Just invest little time to contact this on-line declaration honda gx390 engine torque specs as It will not waste your time. Intake manifold bolts 23-25 ft-lbs. trailer <<76564F700D2346119EDF20DC67F08D00>]/Prev 90097/XRefStm 1123>> startxref 0 %%EOF 379 0 obj <>stream 0000007114 00000 n _mu+7^~. 0000004945 00000 n All Power American Steele Gentron Generator Carburetor JF390-I-04B . DJ-3114 GX270-GX390 Dyno 275 WLC Cam. JavaScript is disabled. The intake manifold nuts and bolts are torqued to 16 ft. lbs. Shop our large selection of Honda Engines GX390 GX Series OEM Parts, original equipment manufacturer parts and more online or call at 717-375-1021 0000019777 00000 n Aftermarket Part No: 50-431. With new features and better performance, the new GX engines establish themselves yet again as one of the best engines in the business. one of the best ways I know of for improving low end torque is to raise the compression and use a head with the smallest ports possible. Hub. Loosen the ignition coil mounting bolts. 0000158970 00000 n net torque 26.5 Nm ( 2.7 kgfm ) / 2500 rpm Ignition system Digital CDI with variable ignition timing Starter Recoil (el. Thanks for your help, it is very appreciated. 0000004405 00000 n 0000026424 00000 n You must log in or register to reply here. I've rebuilding a Honda GXV390 (13hp, vert crankshaft) and need to know the rod torque and head torque values. For a better experience, please enable JavaScript in your browser before proceeding. Contents for. Max. Torque values (mm) N-m kgf-m lbs-ft Crankcase cover bolt M8 x 1.25 24 2.4 18 Cylinder head bolt M8 x 1.25 24 2.4 18 Engine oil drain plug bolt M10 x 1.25 18 1.8 13 Connecting rod bolt M6 x 1.0 10 1.0 7 Rocker arm pivot bolt M8 x 1.25 (Special bolt) 24 2.4 18 0000005558 00000 n 0000004540 00000 n I don't understand why your not getting my PM's :hammerhead: A forum community dedicated to lawn care and landscaping professionals and enthusiasts. startxref Would not recommend doing that. The original poster can confirm if those torque figures are with a reduction, but considering a gx390 usually makes about 25 Nm I would say it is. 0000052738 00000 n Dry Weight 31.5 KG (69 LBS) DIMENSIONS Denver is above 5,000 feet. Thanks restorob. Parts lookup for Honda Engines power equipment is simpler than ever. Anyways.. even down @2000 rpm retarded timing provides 25Nm (on the new GX390 that is) (compared to the 23.4 Nm of the older versions) so fair to say almost 10% torque increase in the lower rpm band. Fastener Type Torque Spec Main cap bolts 95-105 ft-lbs Connecting rod bolts 40-45 ft-lbs. 0000003812 00000 n /Wt`./) Qe{c%; 0000008035 00000 n N\d)1u3LG Thanks newz7151. my gx390 just put a arc rod and the vegas carts torque cam in it. 0000010327 00000 n Ultimate Karting. 0000133272 00000 n All I want to do is put a good cross hatch in it for the rings to "bite". ft) Recheck valve clearance after tightening the rocker arm pivot lock nut. I would try take timing out and add compression like you suggested, the theory here is that without timing the engine will fall over a bit at higher rpm and keep your HP number down but the extra compression might help the midrange? PWP_3bJJes6DMh442@58 S#i7F00@8lp&@8kZi-t' 3F endstream endobj 353 0 obj <>stream Rewind Starter (AM) GX340 - GX620 . 0000004810 00000 n ,q G '7 794572 Carburetor Briggs & Stratton Replaces # 793224 791888 792358 792171 Assy 52.98 19.99. The piston seems very tight in the cylinder as well. ?P9{J?9.qZ{7q#vgmT& )H U5q(u6LFi8 Honda does not provide a sequence order in which these bolts need to be torqued. It may not display this or other websites correctly. lb) of torque at 2,500 rpm. net torque). 0000008105 00000 n Also curious as to the rod to crank pin clearance. Got new parts. The cross hatch still doesn't look smooth and consistent and I measured the cylinder and can't tell that I changed the bore at all. You are using an out of date browser. Click here to view our online manual Download Product Flyer Data Specifications are subject to change at any time without prior notice. Change country Country. rated power 3.5 L/h - 3600 rpm Engine oil capacity 1.1 Liter Dimensions (L x W x H) 409 x 484 x 448 mm Dry weight 37.0 kg 0000121819 00000 n TI_HONDA_GX100_CAM_PULLEY_R&R 2 04/08/2013 Technical Information Valve adju Valve adjusting lock nut Cam pulley 6.8 x 1.9mm HONDA GX100 CAM PULLEY sting screw Torque spec: 7.5 N-m (0.75 kgf-m, 5.4 ft lb) Exhaust rocker arm Head cover Rocker arm shaft Intake rocker arm Timing belt Cam pulley shaft Cam pulley shaft O-ring Do not reuse iGX390QZNR. 0000050499 00000 n JavaScript is disabled. 0000048973 00000 n Most typical "racing" mods will shift the torque up in the rpm increasing your HP, your aim is to produce a torque curve that makes a flat 24 hp without going over your torque limit, ie extending your usable range of power. Pressure washers Commercial lawn and garden equipment Tillers/cultivators $265.00 Add to Cart Compare Quick view ARC | sku: 6607-GX3 Actual power output for the engine installed in the final machine will vary depending on numerous factors, including the operating speed of the engine in application, environmental conditions, maintenance, and other variables. Cylinder head bolts 90-100 ft-lbs. I did it a couple of times for about 30-45 seconds, then cleaned it out with a cloth. Brough a 13 hp Pro max on Ebay. hb``f``h This Honda engine is a 4-stroke OHC single cylinder, which is a 88 X 64 stroke. It will require an upgraded spring package, billet rod, and billet flywheel. Available for other motors, too! Honda's GX390-QA2 is a lightweight engine that offers a cooler, more fuel-efficient operation. Other than what the dyno has said, are there any issues? Hondabond 4 (OEM) Liquid Gasket . Honda New GX390 Engine Standard 1" Crank, Electric Start, Oil Alert Brand: Honda 30 ratings $1,49900 See more About this item Fuel: Unleaded 86 octane or higher Governor System: Centrifugal Mass Type Air cleaner: Dual element Oil Capacity: 1.16 US qt (1.1 L) Fuel Tank Capacity: 6.4 U.S. qts (6.1 liters) Buy it with 0000004765 00000 n 0000006412 00000 n start optional) Fuel tank capacity 6.1 Liter Fuel cons. HondaLawnParts.com stocks Genuine Honda Engine Parts to keep your GX390 in peak condition. xb``pc``d```~ 351C, 351M Torque Spec. 0000001123 00000 n I found the best bang for the buck was going with the comet 780 series. After comparing the price of all the parts vs getting a new engine with more displacement, I decided against it for now. If they do not thread in by hand something's wrong. I don't know what happened but can you post the message here instead? 0000000016 00000 n I 4H~f1|;d/(;pQ \DD\zd7p$00Xli(b FF$pr ^v endstream endobj 378 0 obj <>/Filter/FlateDecode/Index[8 341]/Length 34/Size 349/Type/XRef/W[1 1 1]>>stream Std Torque ( N-m ) Std Torque ( ft-lb ) Screw: 3: 1: 0.7: Screw: 5: 4: 2.9: Screw: 6: 9 : 6.5 : Bolt and nut: 5 : 5 : 3.6 : Bolt and nut: 6 : 10 : 7 : Bolt and nut: 8 : 21 : 15 : Bolt and nut: 10 : 34 : 25 : Bolt and nut: 12 : 54 : 40 : Flange bolt + nut: 5 : 5.5 : Flange bolt + nut: 6 : 12 : 9 : Flange bolt + nut: 8 : 26 : 20 : Flange bolt + nut: 10 : 39 : 29 I've seen this done before at the machine shop so I did it the same: Put a light coat of transmission fluid in the cylinder for lubrication then run the hone up and down gently while twisting it with a conventional drill. . 0000002883 00000 n Hope this helps. Thanks for any help. $2,147.00. 0000006535 00000 n 0000258893 00000 n Price $80.00. , Because the 340 and 390 use the same with the exception of the bore which I forgot about. 0000004280 00000 n 0000124013 00000 n Oil Drain Valve (AM) Honda Oil (OEM) 10W30 / 5W30 . 6 73 Cam thrust plate bolts 8-10 ft-lbs. Hello. 0000002049 00000 n "GJZZEnWwgJI:Oe`L$#{Z oS,>-fbv[.A& xQOWpDhk7uM\Yfv{mP~shbxdIE:*;rt5 zw7RO&xjIrCK48 ?$'sI20K:. . 0000001450 00000 n The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. . The GX340 is a small four-stroke gas engine offering superior performance and reliability. 0000000916 00000 n 0000007810 00000 n 0000124389 00000 n 0 0000193326 00000 n Net Torque: 19.5 @ 2500 RPM; Crankshaft Diameter: 1" Crankshaft Length: 3-31/64" Crankshaft End Tapped Size: 7/16-20; Crankshaft Keyway Width: 1/4" Also I do mine in my parts washer with mineral spirits and a air drill,You may find using WD-40 may get you a quicker hatch. Rocker arms 17-23 ft-lbs. This mower was bought new by the fellow I'm working on it for and has never been into. >sJP,$Ad&L\m *23*8 The engine is revving to 14,000 rpm in your calculations above. 0000132919 00000 n From spring 2010 onwards, Honda producing the updated version of GX390 engines with larger displacement. Flange and stub are welded. For a better experience, please enable JavaScript in your browser before proceeding. Somebody walked off with my 390 manual. We run almost standard 390cc Honda engines with 2mm skimmed heads and advancing the timing key by 2mm. Engine has no Honda numbers. Head torque, 23.1-27.5 Ft-lb. 0000014064 00000 n The main feature of this design is the steel crankshaft hub that allows for timing changes at 2 increments. GX390; Engine Type: Air-cooled 4-stroke OHV: Air-cooled 4-stroke OHV: Bore x Stroke: 88 X 64 mm: 88 X 64 mm: Displacement: . I know the GX390 that i have is from an old pressure washer, ill have to grab the model and see. 0000233851 00000 n 0000002385 00000 n The engine had a failed exhaust stud and a blown head-gasket (one of the 4 cylinder head. . Or is it due to other unseen changes? Some porting of the head in the exhaust port (and intake) to relieve sharp corners and smoothing of any casting flaws helps for sure. as follows; Rod torque, 8.7-11.5 Ft-lb. Features Specifications Please select a model from the drop-down (s) below to view the specifications. 0000237466 00000 n Rewind Starter Spring (AM) GX340 - GXV620 . 0000230870 00000 n Question is, how much? NM is newton Meter, the formula does not change. Blew connecting rod, broke bottom of piston. Still, without the RPM numbers, your information, as good as it is, isn't of much value. 0000184414 00000 n Max. GX270 - GX390 . I truly appreciate it. OK, Specs. This Honda small motor is built with quality components and is ready to outlast the competition. 0000003372 00000 n (F6%+_L1(/ Majority of the engines are sealed between 23.5hsp and 23.9hsp with torque of between 47 and 48nm. The GX390 features more power, quieter performance, lower fuel consumption, and lower emissions than the previous version. CRANKCASE COVER, CRANKSHAFT, PISTON GX340GX390K1/R1/T1/U1/UT1 Engine Assembly Information PISTON CRANKSHAFT/BALANCER/PISTON EXHAUST VALVE REMOVAL/INSTALLATION . 0000004585 00000 n Change country. Rod to crank pin clearance, Oil clearance is 0.0016-0.0026 " with service limit of 0.005", Crankpin standard is 1.4167" with a service limit of 1.415". . %PDF-1.4 % Down side with small ports is you kill upper rpm power. Torque X RPM / 5252.1 = Horsepower. On the camshaft, an earlier exhaust valve opening, a longer duration to get more air and fuel in (and exhaust out) and a little more lift would be beneficial. 0000004900 00000 n GX390. 0000081984 00000 n 0000002306 00000 n 0000026719 00000 n 0000052483 00000 n Engines according to our dyno are not allowed to produce more than 24hsp and 49nm of torque. 5,500 feet, plus some maybe, is getting up there. Mass production engines may vary from this value. Need to know what to tork head bolts to, also connecting rod tork. Rewind Starter (OEM) GX160 - GX390 . Oil pump bolts 23-28 ft-lbs. 0000130077 00000 n 0000206617 00000 n Fits a Honda GX390 13 HP or Duramax 16 HP. 0000239865 00000 n Guys the dyno readings might not be 100% correct as I know that with certain dyno's you need to have the correct weighted flywheel to give accurate figures. 0000004630 00000 n MENU > General Purpose Engine & DC Power unit > GX390 > Owner's Manual Please select your country. OLD vs NEW You can clearly see what it does to the torque curve. 0000048201 00000 n Model. It is a 389cc, 11.7 HP and 3600 RPM. It looks just like a Honda GX390, 13 hp. The Honda GX390 is an industrial-style gas-powered pressure washer that provides high pressure, excellent durability and a wide range of movement, giving you an excellent cleaning tool that can deal with almost any surface. 0000002860 00000 n so yeah And yes, most of that comes from the variable timing; 0000003170 00000 n 0000053235 00000 n Torque (ft-lbs) Connecting rod bolt: M7 x 1.0: 9: Cylinder head bolt: M8 x 1.25: 17: Flywheel nut (special nut) M14 x 1.5: 54: Rocker arm pivot lock nut (special nut) M6 x 0.5: 7: Rocker arm pivot bolt: M8 x 1.25: 17: Crankcase cover bolt: M8 x 1.25: 17: Muffler mounting nuts: M8 x 1.25: 17: When installing aftermarket parts use manufacturer's torque values Thanks so much for your help. This cam is to be used in mild modified applications. The dyno is a straight engine dyno and automatically adjusts pressure. Model Series: Intake Valve Clearance: Exhaust Valve Clearance: GX640: 0.10-0.14mm ( 0.004-0.006in ) 0.18-0.22mm ( 0.007-0.009in ) GX100: 0.15 +/- 0.04mm Price: $10.99. 0000004495 00000 n Halve the RPM, I'll bet they are running a 2:1 reduction wet clutch. It is a slip together kit that you weld. Workplace Enterprise Fintech China Policy Newsletters Braintrust martin 2022 Events Careers angry birds 2 promo codes 2022 reddit Purchase now to take advantage of our free shipping and quick turnaround time. 0000193663 00000 n The way to make HP or torque gains is to improve the way the engine "breathes". Mass production engines may vary from this value.Actual power . 0000003565 00000 n A IGNITION COIL AIR GAP . It is EASY and FREE . It has a bore and stroke of 88.0 mm x 64.0 mm. %%EOF #,:=oK|a,YuwQHD@("P[y8 C'7Z>p9 G",pPYSdAU;K`jER,fMqYfwpnAG\Ft;$E7l|3z=1~7y*~VT_tFt,5iedmu 9$Hrpk(lT|#Imf+y8n8Ye|p*c_ *Z;`;CLnAiJ[P> Honda cylinders are some of the hardest I've seen so I don't believe you will get into in too quickly. I almost bought a bunch of parts, but Vegascarts said that I would need to get the piston milled down a bit and do some minor block clearancing. I've been told never to use an old piston, while other say it doesn't matter if the old one isn't worn. 0000022470 00000 n Portable hydraulic power units, stump grinders, generators, trash pumps, pressure washers and small specialized farm equipment tasks are easily handled by the Honda GX390. Auto Express New Honda GX390 Starter Motor with Solenoid FITS 13hp GX 390 Engine & Generator 18 $8195 FREE delivery Oct 27 - 31 Replacement Honda Lawn Mower Recoil Starter Assembly GX340 GX390 28400ZE3W01ZA 11hp 13hp Generator Parts 481 $1799 FREE delivery Sun, Oct 30 on $25 of items shipped by Amazon Or fastest delivery Wed, Oct 26 Carburetion re-jetting is crucial when pretty much any engine mod is made. 0000004757 00000 n Sorry for you spending all that time just for me. 0000004314 00000 n at cont. Also, do you think I should install a new piston even though my bore measure dead on standard and my piston skirts don't look worn? 0000004360 00000 n It must be VERY hard. $2,086.00.
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