Question about 2004 Triumph Daytona 600

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My bike has no idle. I have to hold the throttle open to keep the engine turning over when stationary. On start up it will turn over on its own but at very low RPM. When it goes for a service i have told the dealer about this and it is fixed but after a few runs goes back to no idle. I now take it to an independent garage for servicing and it is still happening. Fine after service and within a few runs the idle has gone???

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There should be an idle screw down be the throttle body of the motor give it a turn to the right a little that should raise the rpm a little to keep the bike going

Posted on Mar 25, 2011


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2006 v star 1100 classic w/ vance + hines slip on exhaust. I get popping at idle and decel (i'm thinking it just needs to be rejetted). The big problem, is when the bike has already warmed up (at least 5...

The popping at idle and deceleration (when the throttle is in the idle position) could be a lean mixture at idle.
A lean mixture sitting at idle for a long light would cause the engine to run hot.
Also, as the engine reaches operating temperatures, the idle will pick up.

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2003 sportster is havin a real hard time starting in the mornings, backfires sometimes while trying

not sure what you have tried but here are a few things that could be the cause

bad or fouled plugs
bad plug cables (sometimes you can't tell by just looking at them)
plug gap too close or too wide
bad battery
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fuel vent system plugged. (best to see a dealer for this)

hope this helps

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1 Answer

How do I start my new 2000 dyna super glide....

In most cases, if you'll make sure the fuel petcock is on (this should be vacuum controlled if it is the orginal petcock), pull the enricher out, twist the throttle twice, turn on the switch, and push the start button. DO NOT OPEN THE THROTTLE UNTIL THE ENIGNE STARTS UP. Your carburetor is equipped with an ENRICHER. An enricher circuit works differently from a "choke". If you open the throttle even a little while starting the bike, you'll render the enricher ineffective. You must leave the throttle completely closed until the engine starts up. Usually the enricher is rich enough that the engine goes to a high idle once it starts. But, on the other hand, you don't want to run the enricher for an extended time as it will foul your spark plugs. Allow the engine to run until it warms enough so that you can keep the engine running with the throttle then turn it off.

Good Luck

Nov 29, 2010 | 2000 Harley Davidson FXD Dyna Super Glide

1 Answer

I can't get my 2007 Harley XL1200C to start in the cold

Since you didn't say anything about the engine not cranking over, I'm going to assume that the engine is turning over fine and everything else is as well. Some people do experience trouble getting their bike started on cold mornings because they are not familiar with how the enricher circuit works.

The enricher circuit works differently from the old fashioned "choke" found on older bikes. To get the enricher to work as it should, the throttle must be completely closed. A lot of people get ready to start their bikes and open the throttle just a bit. Do not do this with an enricher like your bike is equipped with. If you do, the air the engine draws in does not pass through the enricher passage but rather through the carb throat itself and then the mixture is too lean to get the bike to start.

The way I tell everyone to start the bike is first turn on the fuel at the petcock. If you're bike has the original petcock, it is vacuum operated and you don't have to turn it on, it'll turn itself on. Then, prime the carb by twisting the throttle grip two or three times. Then, turn the switch on and with the throttle completely closed, push the "start" button. The engine should fire right up. If not, twist the throttle one more time and try again. If it doesn't start up then, you may have a problem.

If you get the engine flooded and you smell gasoline strongly. Turn the throttle wide open, then push and hold the start button. Do not hold the button for over 15 seconds at a time under any circumstances or you may burn up the starter.

If this doesn't work, please repost and give me more information about what the bike is or is not doing.

Good Luck

Nov 06, 2010 | Harley Davidson XL 1200 C Sportster Custom...

1 Answer

Bike wont kick start or idle , it will coast

first drain the carby, then set your air mixture screw 2 turns out, from the fully turned in position. The starting proceedure is as follows, when the engine is COLD, turn on fuel, pull on the choke fully, and kick the engine over. DO NOT use any throttle, when the engine is cold, and the choke is on. Remember Choke on, NO throttle.
When warm, no choke, and a little throttle when kicking.

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My poulan wild thing 2375 bogs out when throttle

Make sure that the air cleaner and muffler are not plugged. Check the carburetor screws and nuts for tightness. After turning both needles CW to stops (lightly), back them out CCW 1-1/2 turns each. Start the engine and allow to warm up. Open the throttle and adjust the H needle CW somewhat until the engine speeds up, but is 4-stroking. Correct adjustment is when the engine 4-strokes, but immediately 2-strokes when cutting. Release the throttle and adjust L CW till the engine runs fairly smoothly, but allows the engine to 'follow the throttle'. Set the idle speed screw so that the chain doesn't turn, but the engine keeps running. Hope this helps!

Apr 15, 2010 | Poulan Wild Thing 2375 18" Gas Chain Saw...

1 Answer

The bike idles and runs great at idle but if I rev the engine and let go of the throttle there is a little rattle. Also if i crank the throttle it will rev to around 7500 and at wide open throttle the rpms...

the rattle may just be vibration or a failin bearing-old bike--carb shud be takin apart-cleaned-and ajusted if problems get worse--buy a repair manual thats what the pros use

Apr 10, 2010 | 1984 Honda VT 500 C Shadow

2 Answers

Motorcycle shuts off at stop lights

idle screw by sounds off it buddy on the carb will be the idle screw turn this in till it idles at 1000rpm on rev ometre get back to me if its injection d86be27.jpg

Oct 12, 2009 | Hyosung GT 650 S Motorcycles

1 Answer

Suzuki vl 1500 wount turn over been getting more and more harder to turn over. replaced battery starter motor selonod think it is a compreshon problem as i can bump start it no problemm any one had this...

I had the same problem on my VL1500. I THINK it gets "flooded" with fuel and then the cylinder is full and will NOT turn. I have used jumper-cables to start the bike when it will not turn over.

I now start my bike with this procedure:
1. Do NOT touch the throttle.
2. Switch on the power.
3. Do NOT touch the throttle.
4. Press the "Start" button and crank the engine a little (1 - 2 seconds)
5. Do NOT touch the throttle.
6. Keep cranking the engine (another 1 - 2 seconds)
7. Open the throttle a VERY LITTLE (approx. 1/10 turn of throttle). keep the throttle slightly open while the engine cranks.
8. Keep cranking the engine and wait for engine to start (another 1 - 10 seconds).

It is still not a perfect start, but at least the engine cranks over now.

Remember that the VL1500 has a "decompression" system that opens the outlet valve for 2 cranks of the engine.

I suggest you FIRST make sure the engine cranks over (NO throttle), and THEN concentrate on starting the big V Twin.

Apr 24, 2009 | 2003 Suzuki VL 1500 Intruder LC

1 Answer

Honda 1300c backfire through carb at wide open throttle. I have open up the exhust and rejetted the carb . the bike will run fine up to mid throttle or 65 mph but if you accellerate hard or go to wide open...

Try balancing ans syncronising the carbs.
Turn the throttle screw on the LEFT carb one half turn inward. Now start the engine and get it warmed up. With the engine running, remove the RIGHT spark plug wire. Adjust the idle speed on the left carb to the point where the engine just can't quite stay running and dies. Now put the loose spark plug wire back into place.

Now turn the throttle screw on the RIGHT carb one half turn inward. Restart and rev the engine. Next, remove the LEFT spark plug wire. Adjust the idle speed on the right carb to the point where the engine just can't quite stay running and dies. Now put the loose spark plug wire back into place.

Turn the idle screw on each carb EXACTLY ONE QUARTER turn outward and restart the engine. The engine will be probably be idling very fast. Adjust both the idle screws equally from this point to get to the desired idle speed.

Remove the air filter and rubber fittings to allow you to see into the throat of both carbs. You may need a mirror to see inside. You need to be able to see the slides go up and down when you twist the throttle. Now turn the fitting where the cable goes into each carb such that there is just a bit of slack in the cable, 1/16" is plenty. Lock ONE of the cable adjusters down tight. All further adjustments will be made on the other carb.

With the motor turned off twist the throttle very slowly while looking at the slides. Both slides need to begin lifting at the exact same moment. If the slides don't raise at the exact same time then slowly twist the throttle until the locked adjuster slide just barely starts to move. Hold the throttle still and turn the adjuster on the other carb so that the slide on that carb just barely starts to move also. Now recheck the slide movement timing. Do this process until the slides on both carbs begin to raise at the EXACT same moment. Lock down the loose adjuster and re-check the slides.

Please rate this solution. Thanks!

Mar 30, 2009 | 2004 Honda VTX 1300

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