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Yamaha junoon bike not taken speed and how to adjust petrol on carborator.

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5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 2712 Answers

SOURCE: Petrol

please this is not a matter of paying extra money to the goverment. Xtra premium(45.04) at just 1.5 rupee a litre more than normal petrol(43.54) gives back double ur investment in terms of better fuel efficiency and a cleaner engine. Even my vehicles mileage increased drastically from (41 to 55). also two wheeler owners like us wouldn't feel the price diff. (on 6-7 ltrs.) like car owners do. xtra premium really gives a boost to ur vehicle's pick-up. trust me xtra premium is the best 2 wheeler fuel available.,

Posted on Nov 10, 2008

backwoodsctr
  • 169 Answers

SOURCE: ajust carborator

h = high speed l=low speed

Posted on Nov 18, 2009

  • 1168 Answers

SOURCE: Want carborator adjustments for jonson

Hello Gw Fowler.

Setting the jets on these old engines is done by ear, not by a particular number setting.
The knobs on the front have a screw in the center for centering the knobs after initial adjustment.
Turn both jet screws gently until you get to the closed position on high and low speed. Do not turn too hard as you may damage the needle ends. You will feel them bottom out.( you may need to loosen the center screws).
Then open the high speed open a turn and a quarter.
Open the low speed one turn and a quarter.
You will then need to run the engine on a large test tank or on a boat.
Start the engine and go to an area where you can run full throttle.
Adjust the high speed jet until the engine runs the best and add a little more open but not enough to affect engine speed.
Then slow down to an idle. Slowly close the low speed jet and slow it down more on the throttle. If it spits and backfires open the low speed a little more.
There are some nuts on the carburetor that the jets go through that tighten fiber packing to tighten the jets from turning and sucking air through them.
If the jets are too easy to turn a gentle tightening of these nuts would be a good idea.
After you set the jets, little or no adjustments will be needed.
I hope this helps you get this great little motor running smooth.

Thank you for using FixYa.

KL

Posted on Nov 16, 2010

  • 6468 Answers

SOURCE: weedeater runs good at idle..will not accelerate..new carborator..help

remove the muffler and run it if ok open the muffler and clean the screen inside by burning it with a torch

Posted on Sep 08, 2012

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3 Answers

How can I properly tune the carborator for the good mileage in the Pulsar 150 DTSi ? I need to know the step by step process so that I can tune it myself. Please assist me


Hello, factory preset settings are recommended & are the best.
The engineers have tuned the bike for optimal power & economy. They have the equipment to monitor engine perimeters and exhaust emissions. This is something you don't have. I hope this helps.


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Hi, Dlmninja and the usual suspects are:
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2. Air fuel mixture screws not properly adjusted.
3. Inlet system air leak.
4. Leaking accelerator pump.
5. Loose low-speed jet.
6. Plugged low-speed jet.
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I have not used Yamaha SZR. But I know Yamaha bikes are not popular for fuel efficiency. Although, I can say that with proper carburetor adjustment & running the bike between 50-60 kph improves the mileage a lot. I had RX-100, to which I was getting 50-57kmpl in Mumbai. People at the time weren;t getting average more than 35kmpl. It was a 2 stroke engine. I used to make the carburetor adjustment myself. When I service the bike from the service centre, the mileage was dropping by 10kmpl. So, you adjust the carburetor in such a manner that keep the idling speed at a level when the engine is just not stopping by adjusting the idling speed screw & adjust carburetor throttle screw to the smooth noise (minimum) of the engine. People used to keep engine running at traffic signal. If the signal is to change after 20-30 secs, shut off the engine. Avoid raising the throttle unnecessarily. Try to be at the top gear in optimum distance. I was using oils from Indianoil. Any other oil was dropping my mileage. Clean the Air Filter with petrol & moist it with oil once in a month. I think this may be helpful to you in achieving more mileage.

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I have a problem with a carborator I got always an oilspill. How can I solve it?


if its an oil leak its coming from the breather meaning a valve problem.
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2003 Yamaha R6 Bike stalling


Hi, Elec2512 and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
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4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture screw improperly adjusted.
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11. Water or dirt in the fuel system, carburetor or filter.
12. Restricted, blocked or kinked fuel line.
13. Fuel tank empty.
14. The gas cap is not venting properly or fuel tank venting system blocked.
15. A failed fuel pump, pressure regulator and or fuel injectors.
16. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
17. Needle and seat stuck closed in the float bowl.
For more information about your issue and valuable "FREE" downloads that you need please click on the links below. Good luck and have a nice day.
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Could be air block in the petrol tube and clean the carborator and remove the dust and dirt to run the unit. Cleran the petrol tank atleast once in a year to avoid dust formation at the bottom of the fuel tank. Adjust the gap in the spark plug to standard specification to avoid back fireing.

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