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I have a Stihl FS85 with an issue. It will start and idle but will not accelerate to WOT. The carb is a Zama C1Q which is also marked with a small 82. There are no other numbers. Installed carb kit and cleaned carb in and out. New hoses and filter. Fresh gas. When squeezing the throttle it...

Thank you Mechanic Mark. Especially for the manual. Figured it out I believe. Plugged fuel filter. I was fairly sure it was a gas cap vent issue but I ran it with cap on tight at WOT and no problems with new filter installed. Thanks again. Knots

Blower starts and runs fine for a couple minutes and then starts to slowly reduce speed with throttle wide open until it quits. Pulling choke will let it run a few seconds longer. Will start again in a few minutes with same end result. Any thoughts about where to start would be greatly...

Engine data for this thread Kawasaki FH580V. Mower is Toro Z400 Z Master Serial 270002174 Engine was running ok when parked after use. When tried to restart, barely ran and no movement on one intake rocker. Pushrods not bent! Whatever happened, happened all at once. If camshaft was wiped, I...

Don’t have all engine data but have a general question. Zero compression on one side and intake pushrod not moving. Suspect wiped camshaft but is there any other possibility like a lifter stuck at the top of its bore, etc.? Thanks, Knots

Many thanks to all that offered helpful comments to my original question. I truly appreciate all your help. Knots

Burnish is the term that both Scag and the clutch maker,Ogura use. The issue is not the definition of “burnish” it is whether or not the well defined burnish procedure should be done on a new factory Scag, Ogura manufactured PTO clutch. That is all I am trying to figure out. I am well aware of...

Thanks sgkent and star tech. The main reason for my question is that the new clutch from Scag (gt-5) has a big brown tag on it that says “DO NOT BURNISH”. Ogura disagrees with that tag. Knots

This is an OEM Ogura clutch from Scag. Knots

Question: Do Ogura replacement PTO clutches need to be burnished before use? This is a Scag Turf Tiger 35 hp Briggs. Tag on clutch from Scag says “do not burnish”. Tech service at Ogura clutch facility says “they absolutely should be burnished”. I told him about the tag with Scag’s name on it...

Scag Turf Tiger Model STT61V-35BVAC-SS Serial. E5400225 Any thing unusual I should look out for when replacing PTO clutch on above mower? Any special tools needed. I am guessing that it might be really tight on shaft. Please advise. Thank you, Knots

ILENGINE, Thanks for the prompt reply. That was the diagnosis I came up with but wanted to hear it from someone that knew what he was talking about. Thanks again, KNOTS

Another question concerning Scag Turf Tiger 35 hp Briggs. What should the amperage draw be when clutch is engaged with meter in series with wires feeding clutch? This one measured 15.24 at engagement. Only connected for an instant as I was afraid of cooking my Fluke 88. Resistance at clutch plug...

ILENGINE, Thank you very much… Knots

Turf Tiger 35 hp briggs Can any one please give me a couple of normal voltages for the above machine? 1. Voltage at battery when mower is running with deck off? 2. Voltage at battery with deck engaged. and running? 3. Resting voltage on new battery if charged? 4. What should resistance of Ogura...

Model 61V35BVAC Serial E5400225 Have an engine oil leak at drain valve assy. on the above Briggs 35 hp Vanguard twin. It appears to be coming from the threads on the vertically oriented piece you loosen to drain the oil. It is tight. Has anyone run into this problem? Is there a fix short of...

Turf Tiger. SST61V35BVAC Serial E5400225 Have a issue with the oil drain Assy on the above machine. Appears that the drain assy is leaking around the vertically oriented plug you loosen to drain the oil. It is tight. Has anyone had this problem on this B/S 35 hp engine? Thanks for your comments...

Yes. Also rechecked valve lash after running engine. Thanks for your reply. Knots

I have a B/S 12.5 hp vertical engine on a splitter. Model 219802, type 0117E1, code 05102ZA. After head gasket replacement, engine runs fine but only if choke is about 1/3 on. Opening choke on warm engine causes the engine to make a popping noise. Popping is random (it does not pop every time...

Does anyone know why Briggs Intek engines use one steel pushrod and one aluminum one? Is it to keep the valve train balanced? The aluminum pushrod is paired with the larger (intake) valve. Or does it have to do with thermal issues? Just wondering. Seems strange. Thanks, Knots

Anyone else having trouble with unwanted ads that pop up when you are trying to read a post? They are coming from Google saying “you’ve been selected, blah blah blah”. If you back up they go away but then pop up again instantly making your forum unusable. Anyone know how to get rid of them...

Just removed intake valve from B/S 12.5 hp vertical shaft. Everything I was told is that intake valve seal was under the big end of the valve. This seal, with tiny spring around top, is under the valve spring. How do you remove/install a new one without damaging something. Looks like the metal...

This is a general small engine question. When installing OHV head bolts I am sure they should be clean but should they be lubricated prior to torquing? If so should just the threads be lubed or should the underside of the bolt heads get some too? Thanks to all who responded to my 12.5 hp...

When I look at the Briggs parts manual and look at the picture it shows only one (1) valve seal which is number 690968. Is there only one valve that gets a seal? If so, Which one? The gasket set I ordered is 796189. Thanks, Knots

Many thanks to Star Tech, Bertsmobile1, Rivets And others for all the help. I have one more question. Head gasket blown in center between piston and pushrod galley as you predicted. How important is retorqueing head bolts after a 5 minute run? Looks like that is going to be difficult as the two...

Intec 219802 type 0117E1 I checked one other thing on this engine. The air filter and breather box are both dry and clean. About the crankcase breather in this engine, can anyone tell me where it is located? Might as well check it before I pull head and spend $50.00 on gaskets. Many thanks to...

When replacing head gasket on Briggs single cylinder engines, should the gasket go on dry or with some kind of sealant like Copperkote ?

I have a Briggs 12.5 hp vertical engine model number 219802, type 0117E1. It is dripping oil out of breather on fuel pump when running. Also, if you loosen the dipstick cap while running it dances around wildly. Engine has low hour’s and runs ok. No fuel in oil. I suspect a blown head gasket but...

Does anyone know of a source for seat covers for Scag Turf Tiger seat with armrests? Something like terrycloth would be great. Factory covering does not breath. Thanks, Knots

Thank you very much. Knots

The seat is a “suspension” seat. I am guessing that is what the “SS” in the serial number means. This probably makes a difference. The seat appears to not be bolted in the back, as some have suggested, because it will move about 3/8 inch if you try to push it forward. Thanks for any help. Knots

Have a Scag Turf Tiger that has me buffaloed. It is a SST61V-35BVAC-SS , serial E5400225. I can’t figure out how to tip the seat assy. forward. The seat adjustment latch will not release and I think I need to tip the seat forward to get to the slide latch. I cannot find a latch for the seat...

Need help, Have a Turf Tiger that is four years old with low hours that will not start. If you apply 12 volts to the small starter terminal it will start instantly and run all day. I have replaced the ignition switch, the pto switch and the relay. Checked all safety switches and they all...

I need the bezel that holds the reflector/bulb Holder into the headlamp assembly for the Turf Tiger. Scag does not sell the part and won’t tell me who makes it for them. Thanks, Knots

Does anyone know who makes the light Kit for this Scag Turf Tiger. I need the headlight bezel For one of the lights and Scag does not sell it Nor will they tell me who makes it for them. Thanks, Scott

Does anyone know who makes the light kit that Scag sells for the Turf Tiger?? I need the bezel that holds The reflector assy into the light housing. Scag does not stock it and won’t tell me who makes it For them. Thanks, Knots

Turf Tiger will not start. Engine will run but won’t start unless you momentarily jump a lead from the positive battery terminal to the spade lug on the starter solenoid. This works 100% of the time and will run fine until shut off. Then it won’t start. Any ideas of where to start looking? Have...

I have a 2004 Scag TT model STT61A-27CH with a 61inch deck that has a deck adjustment issue. Page 24 of the owners manual says" loosen the serrated flange hex nut and move the bolt up or down to adjust the deck". As near as I can tell, there is no serrated flange hex nut and no slot to move it...

Anyone having trouble with inner tubes in TurfTiger 24-12-12 rear tires? I have been using Carlisle #321371 tubes with TR6 stems. The tube is a 22/23x8r 11/12 size. I have had some of other brands (same size) split after final inflation. I don't think they are getting pinched. Recent...

Have a 2013 Turf Tiger with 26DFI engine that intermittently won't turn over. Often will start and run but if cut off, will not restart. Happens hot or cold. If you put 12volts on the solenoid it starts and runs just fine. Dealer has checked all safety switches and has replaced key switch...

This concerns a 2014 Turf Tiger with watercooled Kawasaki DFI engine. If I am mowing right to left across the face of a moderate slope and turn up hill for a few feet and the back up to resume my original direction of travel the brake lever jumps up and hits me under my left leg. As soon as I...

Any known problems adding analog hourmeter to the pto circuit on a Scag TurfTiger with Kawasaki water cooled DFI Engine? I don't want to do any harm to the engine management system. I would like to count only the hours spent actually mowing. The digital meter that comes on the machine is junk...