Question about 1979 Harley Davidson XLH 1000 Sportster

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I have an s&s series "E" shorty carb...I messed up all the adjustments, I meed to get back to a starting point adjustment. This is on an 81 sporty

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Ur starting pt is buying a clymer manual so u can be a pro like us a fixya-mechanics cant operate without their tools and that includes books

Posted on May 14, 2010


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Just refitted twin su carbs to my triumph 13/60, carbs have been unset, have refitted them but cant start the car. plugs and points replaced and adjusted

Must narrow it down. Try some starting fluid, if it starts on that you know it's a fuel problem, if it doesn't then it's either a spark issue or something went wrong with the head installation and/or valve adjustment.

Mar 01, 2015 | Triumph Motorcycles

1 Answer

Weed eater will not keep running & I got adjustments messed up trying to get it to run.

if you turned the air screws at all start there. if there is two screws turn all the way in. some models have one screw and one the looks like a stud. the stud is a factory low idle that is set permanently. so the other is high idle. turn in all the way and back out 2 and 1/2 turns. thats a good starting point. start it up and if you can adjust the low idle in or out. just have to listen to get a good point. the hold throttle down and adjust the hight idle the same way.

Jul 09, 2011 | Garden

1 Answer

1999 ZRX,,,cleaned carbs, started it, revd to 6000 rpm and adjusted idle, then would not idle, I think i messed up the idle adjustment cable, is that possible???? any ideas where to start.....

When you cleaned the carbs was the idle too high or too low before the adjustment? I suppose a better place to start is when you cleaned the carbs, did you clean the fuel lines and flush the tank? If the carbs were fouled, you can be pretty sure the line and tank have crud in them as well. It could very well be that some of that crud made its way back into your carbs.

Jun 26, 2011 | 1999 kawasaki ZRX 1100

1 Answer

I have a Briggs & Stratton 5HP Engine (Horizontal shaft) And it has the diaphragm carb on it. The last person to own it messed with the carb adjustments and it'll have trouble starting and idling...

2 turns out should get ya started adjust from there. If adjusting doesn't help you may need a new diaphragm. While you have diaphragm out blow through the 2 holes you'll see under diaphragm with air to hopefully avoid pulling carb off to clear screens on pick up tubes. Also check carb mounting screws through carb into tank. They frequently come loose on chippers and log splitters because of hard mount.

Oct 07, 2010 | Mtd Heavy Machinery

1 Answer

Will not start. Took apart, cleaned all the oily residue off everything, including the magnet under the flywheel. put back together. new spark plug. Have good spark now. I think it might need a carburator...

I assume it's probably a Zama carb maybe? A good starting point for carb fine-tuning is about 1 1/2 turns out from a lightly seated position on the H and L adjustment needles. You may have to go as far as 2 turns out to get it to start. If you open the 2 covers at either end of the carb, you will find out the actual condition of the carb and be able to decide if it needs a dighram kit or maybe a complete rebuild kit. Don't use carb/choke cleaner on these carbs and never soak it in a bath-type messes up the check valves..See how Zamas operate here:

Sep 14, 2010 | Garden

1 Answer

I messed the carb adjustment up need to start over readjust it whats the starting point

I would start with both the "H" and "L" needle valves at 1.0 turns CCW from lightly seated then adjust for performance as follows:
Carburetor Adjustment by
  • CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
  • Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run. If the saw cannot exhale it cannot inhale.
  • Clean the spark arrestor and muffler; if the saw cannot exhale it cannot inhale.
  • There are 2 wav (sound - idle & full - may not be highlighted) files that I find most helpful, I think you will too.
Enter the 3 digit model number (no XPs, Es, just the numbers)
Serial number decode – useful when downloading IPLs and Manuals
06 1500198
06 = year produced – 2006 (single digit before 2000; please contact Husqvarna for single digit clarification)
15 = week produced – March
00198 = 198th unit Husky produced that week

If you have more questions or need additional help please reply below and I will get back to you. Thank you for using FixYa and Good Luck. HTH

Mar 09, 2010 | Husqvarna Forest & Garden No.967012396 345...

1 Answer

I need to know how to adjust the carbureator on an tecumseh lawn mower model number 143.954500

If it has a float type carb, open it 1.5 turns. If it has a diaphram open it one turn. If it has a Walbro carb, there is no adjustment. Once you get the engine started you may adjust the carb to fine tune. Open until it begins to lose RPM's then close until it starts to lose RPM's. Return to a point between the two. Good luck...Lee

Sep 05, 2009 | Tecumseh Lawn Boy Push Mowers Insight...

2 Answers

Echo PB-413H bogs down

Echo tools have a screen in the muffler to arrest sparks. Take off the muffler and remove this screen

Jun 03, 2009 | Echo Inc. 44 CC, Carb Certified Backpack...

1 Answer

Carb adjusting

get the bike started, hold the engine at a high idle. while holding the idle high, adjust the air fuel mixture screw until it sounds smooth. rev it up a few times and see if the engine is "snappier". let it return to an idle, then adjust the idle screw. it may take a few tries to get it right, just listen to the engine.. if this dont work, you may consider re-jetting the carb. hope this helps...

Apr 25, 2009 | 2003 Suzuki RM 125

1 Answer

Truck stalls when the ride gets rough

are you running factory quadrajet carb?
you can adjust float but have to take apart carb to do so on it.

Dec 02, 2008 | 1983 Chevrolet K1500

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