Valve clearance: 0.08 0.02 mm (IN) 0.11 0.02 mm (EX) . GX25 Maintenance Information H Measure the thickness at the center of the clutch lining. Valve clearance: 0.08 0.02 mm (IN) 0.11 0.02 mm (EX) . UZgzBYwi?kL8v/ol|IBc]JQ.6jfDj:4P"JiqUDBN[AF-^;8Xs7|cGq/*nOr{poEGe+>6U 4Bo>CK!=8vRIM x 0000006540 00000 n They will snap. Raise and support the vehicle safely. 0000004035 00000 n 0000005746 00000 n JACKS SMALL ENGINES CELEBRATES 25TH ANNIVERSARY - Thank You Customers & Team - Cheers to 25 More! HTn0+b,;u9( 0000035586 00000 n . 0000016941 00000 n labelling the photos would help.a photo explaining where the inlet and pressure outlet for the fuel would be useful too. 0000006420 00000 n . 0000071158 00000 n Adjust to until it is running smoothly. a. UgcOsT Check clearance of tappets (cold engine: intake- 0.08 +-0.02mm, exhaust 0.11 +-0.02mm) and refit tappet cover and 2x4mm screws. Valve clearance (4 Replies) Top Rated Posts. 0000071697 00000 n 0000070758 00000 n 6 46 6 0 obj <> endobj 0000004176 00000 n 0000081583 00000 n Z)t Take note of the two marks on the timing gear. All brands . 0000012330 00000 n Mechanic's Assistant: I'll do all I can to help. Put the timing gear in position and slide the timing belt onto it. xref 0000008976 00000 n If it does just increase RPMs steadily. 0000002461 00000 n Loosen the adjusting screw lock nut and adjust the valve clearance by turning the adjusting screw right or left. Check clearance of tappets (cold engine: intake- 0.08 +-0.02mm, exhaust 0.11 +-0.02mm) and refit tappet cover and 2x4mm screws. b. This engine is a perfect replacement for the 2-stroke engines in various applications. Note the direction of the float in the tank. xb``f``e```} 0000057715 00000 n 0000054873 00000 n 0000003457 00000 n Be sure not to touch the clutch material or it may fail due to contamination. . endstream endobj 17 0 obj <> endobj 18 0 obj <> endobj 19 0 obj <> endobj 20 0 obj <>stream 0000088276 00000 n 0 <<780E6E136603484BBBFB6BEAB40888FD>]>> Description: Quick NOTE I got the feeler guages backwards in the video.Other than that all is good, and it runs fine even if I got them backwards. When started and running forabout 5 minutes a lot of engine oil is visable at the carb inlet. 0000049963 00000 n xb``e``5e```lOa@,` H B12?KWPK'l 0000070978 00000 n Adjust the idle back to a fast idle. The ultra-lightweight GX Mini 4-Strokes effectively deliver the kind of efficient, cleaner, powerful and quiet performance that you'd expect from a larger engine - but in a very compact package. 0000008236 00000 n It might take quiet a few pulls to get the fuel to come through, 10-20. 0000090520 00000 n 8rbPl2|&~AHG{tQ d4GpS!\(;[ a?X kJH%^AR|il5(h;Wk Ia]=m?2 +Bysw+d}X1c !sp pSx4osiQFh._#,-IyR}?Ep) x'SyR c;sJh =c1#7sViv 7d~V%XX$HvfFnN;+IDcpKWd3*}ab ~ Moderated . Honda's simple design has made the GC and GS Series lighter and more . IT stalls at high revs and struggles to maintain an idle. 0000008206 00000 n Index. ?VUQ\,Hc4'r];WnE~&Wyt`$YlzF@~??q}/dM{H/[tTSu`A!3#h'j4W Sk I havea Mantix tiller that has a Honda GX25 engine. It is excerpt from the Honda GX25 shop manual. Valve Stem-To-Guide Clearance. endstream endobj 20 0 obj <>stream read more 8rbPl2|&~AHG{tl d4GpS!\(;[ a?X kJH%^AR|il5(h;Wk Ia]=m?2 +Bysw+d}X1c !sp pSx4osiQFh._#,-IyR}?Ep) x'SyR c;sJh =c1#7sViv 7d~V%XX$HvfFnN;+IDcpKWd3*}ab ~ 0000001256 00000 n 0000001453 00000 n 0000009688 00000 n 0000045182 00000 n 12. 10. 6 48 (h |~O|iWhmv'4%8i1P qu(~/xxg(u"L6jQ.qxp5_y2lY)"! Intake and Exhaust Valve clearances for Honda small engines used on various outdoor power equipment applications. trailer Few pulls and it should go. 0000002561 00000 n So I have a Line Trimmer and Atom Edger - both Honda 4 stroke GX25/35 engines. Hj0s-x t%X((NSlS;:9q$#k&W T>LS7F$A iaAc8S4vZgeQ9;f!k 2^tT5(4PjH(e|yw.nlv3p @Iw7Sf(5 :+1TL It Forget spark plugs, blocked exhaust and perhaps even valve clearance (unless it is Honda copy from China) Fuel breather is a possibility. Honda GX25 (Type SAT)(VIN# GCAAM-1000001-1199999) Small Engine Parts. $2.99. I worked on the carby today never knew it had a high setting. The second one was a bit finicky. 0000060312 00000 n Intake Valve Clearance: Exhaust Valve Clearance: GX640: 0.10-0.14mm ( 0.004-0.006in ) 0.18-0.22mm ( 0.007-0.009in ) . 0000029581 00000 n 0000006673 00000 n I needed a new filter so just used the packaging to keep it clean. Get Support. <<9C57FCD621D8C34C99634073FF31518D>]>> GX25 Engine Adjustment Information VALVE CLEARANCE Valve clearance inspection and adjustment must be performed with the engine cold. Outline of Changes. 0000005743 00000 n 3zQ:q+[$gGIN0Iu 8tE0R1;C,y|k"=Nq w^"Z'cFt[_?bMaXp=Bn=[RAXFeem_KIx`w3bdypmpw?Ra<>0tr;Z4BI{jE1g 1#@nBwB($ Question -jSD31{\v@M< Kk20lUC(JX%\lH${p1\bKjPxP8.5P;gZ.`b&~ogqE>/}, K* hji`W\5Cp)LlhDG@@x0+!EXRhPB@ You could even weigh the piece to make sure the same weight is removed. oil in combustion chamber of Honda GX25 I removed my Mantis tiller from a couple years of storage, filled it with fresh gas and, when I tried to pull the start cord on the Honda GX25 4-stroke . WARNING: Do not install the timing gear or rotate the engine until the timing is correct or significant damage may result. 0000046253 00000 n xref Y, 0000012429 00000 n This would also cause smoking. 0000069214 00000 n There is no record available at this moment. Flip the engine upright. 0000088576 00000 n If the label comes off or becomes hard to read, contact your Honda servicing dealer for replacement. Joined: Jun 2013. Ensure engine turns over easily and smoothly. 2. Loosen the adjusting screw lock nut and adjust the valve clearance by turning the adjusting 0000088786 00000 n You will note the mounting holes are elongated. This will not work on the exhaust valve as it is titanium (you can balance the valve on the tool or use a bit of blue tac). HTR0}W#0xkl-m paul.foot OP. General information Cylinder Block and Head If you look into it you will see a very small slottled screw. ZhF6Z,3et*"bLNhx;dO/..=Qt:t`,\67ux[SklBY}/d.+-: )KeMN%R 92DEB(Tu9\fnDO0 xC Ensure mating surfaces of the crankcase are clean and wiped down using brake cleaner or similar and all gasket material has been removed (use knife). Line up mark on the flywheel (I coloured it red to help see it, 2nd pic) with bottom bolt hole. GX25: 0.08 +/- 0.02mm: 0.11 +/- 0.02mm: GX35: 0.08 +/- 0.02mm: 0.11 +/- 0.02mm: 0000007135 00000 n Add to Cart 16032-ZM3-004 . Tighten the 4x4mm screws in a criss cross fashion to 6.4nm with a torque wrench, then the remaining two. 0000001530 00000 n Place the timing belt onto the passage in the crank case so the belt stick into the air and the crank can be passed through it. 0000003936 00000 n Standard: . Thanks. Did you make this project? The illustrations in this manual are based on the GX25. 0000059878 00000 n Ensure engine turns over easily and smoothly. 0000002561 00000 n 0000007426 00000 n Again go past that and find the happy medium. 0000029643 00000 n 9. This engine is easy to reassemble with basic tools and parts. Apprentice level 2. 0000001497 00000 n 1-877-737-2787. 0000067478 00000 n 0000042441 00000 n The engine before should run rough and cough and splutter at WOT. Hj0s-x t%X((NSlS;:9q$#k&W T>LS7F$A Remove the two 5 x 12 mm hex bolts from the head cover. 1 year ago startxref XcPN0 I\XtJX1~,`1! QeJqOz01.rZ1W Od9XT120&}L@l O! Refer to Honda shop manual for servicing procedures. If you feel any binding stop and check your timing. If you think you have completely ballsed it up and are lost, take it back to factory and start again. hard (impossible) to find on a web search today.now to go and get that 1/2 acre of bamboo.I use this gasket/sealant for my chainsaw when others have failed.Permatex Aviation Form-A-Gasket 3 Sealant, Choo-Choo Chairs: a New Life for Boston's Metro Seats, Chevron Pattern Plywood Corner Desk (motorized), Laser Cut Radial Ridgeline Mountain Model, Permatex Aviation Form-A-Gasket 3 Sealant. 53 0 obj <>stream Gently push all piston rings into the cylinder without damaging or snagging them and scratching piston and cylinder. Remove the fuel tank. 0000101394 00000 n Tighten the nut to 14.7nm with a torque wrench using a screw driver to prevent the assembly from spinning. GX25 Maintenance Information H Measure the thickness at the center of the clutch lining. Contact Us . %%EOF 0000004168 00000 n . NOTE: To assist assembling the crankcase, place the top half in a vice or similar, upside down. Honda GX25-GX35; Honda GX25T; Honda GX25NTT3; Honda GX25NTS3; Honda GX270; Honda GX240R2; Honda GX240UT2; Honda GX270UT2; Honda GX200UT2; Honda GX270T2; Apply oil to the piston and rings. 0000003350 00000 n Order Status. . The engine may want to die if you go straight to Wide Open Throttle WOT. 0000004986 00000 n ftq(. there are two bolts connected to the throttle line above the carby, when I tightened the tension on these bolts I noticed the cylinder . 0000000016 00000 n (5) In Europe and other countries where the machinery directive 2006 . 0000058153 00000 n 0000028676 00000 n 0000001753 00000 n It has a recoil starter, diaphragm type carburetor, and transistorized magneto ignition. Go past that until it starts running rough again and then return to happy medium. Replace 2x 4mm screws near pull start and finger tighten. Take note of how the settings are from factory and record what you are doing as you go if you worried you are going to struggle. Fit the rotating assembly (crank, piston, bearings etc) to the crank case. Primer Bulb. 0000009637 00000 n (5) In Europe and other countries where the machinery directive 2006 . HTR0}W#0xkl-m Posts: 17,970. 0000001574 00000 n ftq(. Hours of Operation. Dimensions and Weights. endstream endobj 21 0 obj <>stream GX25/35 Make light work of hard tasks. Re: GX25 Valve clearances Disregard that post, found it! by reuben - 24/10/22 07:46 PM . . Hi people, I have got a Honda GX 25 w/s, having a slight problem. endstream endobj 7 0 obj <> endobj 8 0 obj <> endobj 9 0 obj <>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC/ImageI]/ExtGState<>>> endobj 10 0 obj <> endobj 11 0 obj [/ICCBased 28 0 R] endobj 12 0 obj [/Indexed 11 0 R 15 30 0 R] endobj 13 0 obj [/Indexed 11 0 R 15 34 0 R] endobj 14 0 obj [/Indexed 11 0 R 15 37 0 R] endobj 15 0 obj [/Indexed 11 0 R 255 39 0 R] endobj 16 0 obj <>stream A proper fly wheel wrench works better but not everyone has one. 0000002473 00000 n Take a screw driver and while holder the throttle flat adjust until it sounds good. 0000002605 00000 n Make sure the small hole in the gasket is lined up correctly or the carby will not work. Catch the leaking oil with %%EOF If you have any questions, comments or do not wish to . 0000023895 00000 n Bore is 39.0 mm (1.5 in) and stroke is 26.0 mm (1.0 in). 0000002067 00000 n Will run perfectly while it is cold but as soon as it gets hot it seems to cough and splutter slightly then die ( almost sounds like it is . Engine oil can leak out when removing the head cover. 0000055726 00000 n 0000012272 00000 n DO NOT USE THE FLYWHEEL FINS TO TIGHTEN THE FLYWHEEL!! 0000006543 00000 n The end result should be an engine that responds quickly to taps on the throttle without bogging and runs really nice at WOT. 0000003066 00000 n 0 HTn0+b,;u9( If this is the case, there may also be gas in the oil. Honda **GX35 Valve clearance Intake: .003 - thousands Exhaust: .004 - thousands **GX100 **GX160 **GX240 **GX270 **GX340 **GX390 **GX610 **GX620 Valve clearance Intake: .006 - thousands Exhaust: .008 - thousands This bulletin is provided for technical reference and service related updates. 0000091030 00000 n 0000003451 00000 n b. Leave the filter cover off and just work somewhere fairly clean and dust free. 0000009008 00000 n UgcOsT This video is about removing the Rocker Arms on a. 3zQ:q+[$gGIN0Iu 8tE0R1;C,y|k"=Nq w^"Z'cFt[_?bMaXp=Bn=[RAXFeem_KIx`w3bdypmpw?Ra<>0tr;Z4BI{jE1g 1#@nBwB($ . 0000035685 00000 n 0000004043 00000 n Replace the 4x4mm screw (the slightly longer ones) into place and finger tighten. Make sure the valve seal is fitted on the intake side. %PDF-1.4 % 0000037455 00000 n 0000082033 00000 n . Insert a feeler gauge between the rocker arm and the valve and measure the valve clearance. 0000040367 00000 n Fit the oil tube from lower to upper crankcase. . 0000002605 00000 n power and cutting out problems and hard to start at times just fitted a new carby and overhauled fuel system and done valve lash . 0000034362 00000 n Qld Australia. Use a bit of engine oil to lube the air filter. [kN3qvPZD0A@hUS573M(bQah`u[ 0000007268 00000 n 0000046154 00000 n Its a really good feeling when you get the tune right and watch this thing scream! 0000069752 00000 n 0000002438 00000 n Received 97 Votes on 90 Posts. Refit remains parts in reverse of disassembly. Assuming you went with the upgrade carb, start the engine. 0000004880 00000 n 13. 0000100884 00000 n Dimensional Drawings WA Type. . To install: Apply a small bead of gasket goo to the bottom part of the crankcase and the seal journals on the main crancase. startxref The intake can be inserted easily using a magnetic pick up tool as per above pic. 0000070320 00000 n 0000090730 00000 n 0000047222 00000 n 0000101184 00000 n Loosen the adjusting screw lock nut and adjust the valve clearance by turning the adjusting screw right or left. Ships in 4 - 8 business days Ships in 4 - 8 business days Note: Serial# (1000001-9999999) $6.51 . 3. 0000090220 00000 n 0000021722 00000 n 0000005627 00000 n 6 0 obj <> endobj :FbE;M${t[.Z)+Uk5 yfF:V'$98v;#x|`r}7vrs9h(%tr:g" u zj$R7^vcI 2A"ta:HQ@US+ 0000070544 00000 n HN0s"e/w+@b%\Z%AKx}<>t'`tt*ri Z,Lq5E]*]YY `3BQrz.bFZ% ~J.Ck0%jxP8F5n=Hz|q9;(]M,>,|^,X=PU xb``e``5e```Sa@,` H "B12?KWPK'l Big valve: intake, smaller valve: exhaust. 0000068331 00000 n 0000040466 00000 n 10/26/2022. Posts: 173. If adjustment is necessary, proceed as follows: a. Tap the throttle. 0000002517 00000 n After sealant has cured, fill engine with 80ml of 10W/30 API SG oil and fill the fuel tank. 0 Lightly oil inside of cylinder. Ensure air filter is clean and oiled lightly. on Introduction. lb) at 5000 rpm. Fit the ignition coil and finger tight the screws. 0000001753 00000 n Refer to Honda shop manual for servicing procedures. If after that its still not going you may need to wind the idle in a few turns. Tell me a bit more about what's going on so we can help you best. 0000022459 00000 n 0000017162 00000 n 0000002650 00000 n 15. . View Profile View Forum Posts Visit Homepage Member Of Forum Join Date Jan 2009 Location Murrumbateman NSW Posts 83. The GX25 small engine is lightweight, easy to start, and durable. Download or purchase Honda Engine owners' manuals for the GX35. 0000001216 00000 n Dies when you squeeze throttle replaced carb didn't help think its valves. Because there is no plug fitted, there's no compression so only the resistance of the piston rings should be felt. I have blown out the fuel lines, blown out the fuel cap, checked the carby for water. 0000060092 00000 n 53 0 obj <>stream 0000008863 00000 n This is for the clearance adjustment and must be done once fitted. 0000002505 00000 n M-F 9AM-6PM ET. Remove the 5 x 12 mm hex bolt and remove the top cover. Birthdays. VALVE CLEARANCE: 0.06 - 0.10 mm (0.0024 - 0.0039 in) (IN) 0.09 - 0.13 mm (0.0035 - 0.0051 in) (EX) . Name. 0000002417 00000 n I bought this at a garage sale and replaced the carb. 0000008070 00000 n 0000000016 00000 n xref Last edited by AVB; 16/08/16 02:15 PM. 0000059654 00000 n 16. lb) at 5,000 rpm, Unleaded gasoline (octane number 86 or higher). 3zQ:q+[$gGIN0Iu 8tE0R1sY!,Y|{tE[@E. -jSD31{\v@M< Kk20lUC(JX%\lH${p1\bKjPxP8.5P;gZ.`b&~ogqE>/}, K* hji`W\5Cp)LlhDG@@x0+!EXRhPB@ Using a feeler gauge ensure 0.35-0.5 mm clearance between both parts of the coil, as per last photo. Keep adjusting the screw 1/4 turn until it does not bog anymore. 0000058373 00000 n GX25 Engine Adjustment Information VALVE CLEARANCE Valve clearance inspection and adjustment must be performed with the engine cold. Place a spring over a valve on top of the head and fit the retainer to the valve. 0000004069 00000 n WARNING LABEL For EU Except EU attached to product supplied with product supplied with product attached to product supplied with product Remove the 5 x 12 mm hex bolt and remove the top cover. Refit the flywheel aligning the key with the key way (slot on the shaft). startxref 0000050062 00000 n TO(J *UEaLY%A?+ L,NXl):%KEH%]?bXo>wbc~3BwPnA2)'4=z%4F"-g 0000001256 00000 n Check the flywheel timing mark again then the timing gear. What causes this to occur? 0000081824 00000 n # 49831 12/10/13 10:13 PM. Start engine. 0000009579 00000 n
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