Question about Yamaha XS2 Motorcycles

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Gas air? The auto start for one dosent turn the bike over,, i had it running a couple times and it would die. I cleaned it up a little more and it went .02 miles and hasnt started since

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You closed the air adjuster (clockwise) and from that position turn the adjuster of the air by 3/4 ( counter clockwise) set the idle at 1 then turn the air adjuster slowly (counter clockwise) till it reach the highest idle it can give that's the standard air for your carburator, then lower the idle at 1rpm.

Posted on Apr 15, 2009

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Posted on Jan 02, 2017

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1 Answer

Engine dies when i give it gas


These models are typically very lean and respond well to a little richer slowspeed jet. However if the bike has sat up for longer than 3 months try draining the carb and tank a refilling with fresh gas. If this dosent work a proper carb cleaning may be in order. Also ckeck for an air leak at the intake manifold by spraying this area with carb cleaner while the bike is idling steady. If the engine rpm changes you have located a leak. repair as necessary.

Jan 14, 2013 | 2004 Yamaha TT-R 125 L

1 Answer

Cleaned everthing top to bottom ,bike sat for a while gas was bad,it idels fine,but now when i give it gas it dies,i think its the auto choke?it puffs black smoke when it dies,can u dissconect chocke?


try replaceing the slow jet inside the carb its 3.95 part little brass screw inside card tech at harley said if that jets plugd bike wont hold a idle it mite start but no idle i replaced mine and bike runs fine i had the same problem trust me that little screw will be the difference in running and not running it has tiny pin holes that will never be cleand out good enough spend the 4 bucks its worth it easy fix take carb off remove the bottem of carb off ull see the jets the slow jet is the 1 that is deep down the hole its a little brass screw with pin holes in it

Jul 10, 2011 | 2001 Buell Blast

1 Answer

Yamaha TW 200 starts but won't run.


If the bike has sat for a long period of time without being run - the gas that is sitting in the carb(s) will shellac.. Then the carb(s) would need to be cleaned and "rebuilt"..

Sep 14, 2009 | 2001 Yamaha TW 200

1 Answer

1973 CL100 Scrambler, died while riding, won't start


Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There should be a screw on the lower side or bottom of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the
carb and spray into the screw holes as well.
< < READ CLOSELY > >
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Put the rest of the
carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine.

A “very helpful” rating for this answer? Thanks!

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Jul 01, 2009 | 1973 Honda CB 100

1 Answer

The 2003 WR250F keeps dying.


ALWAYS have a fire extinguisher on hand when working on carburetors.
Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There should be a screw on the bottom of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw on the outside throat of the
carb and the air screw on the back left of the carb bore as seen from the filter. Spray into the screw holes as well.
< < READ CLOSELY > >
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Put the rest of the
carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.

The carb has a diaphragm fuel primer pump Each time the throttle is cracked open the pump give a shot of gas. This is fine for take off but downshifting can create a rich mix. A rich mix promotes backfire. Just don't crack the throttle.

A “very helpful” rating for this answer? Thanks!

Jun 17, 2009 | 2003 Yamaha WR 250 F

1 Answer

Bike won't start


Check compression ratio and valves clearance.The carbs leak any fuel from their o-rings.Spray through the air box with a carb cleaner spray while pressing start button but little bit at a time.Don't twist the throttle too much and always use choke until she fires up for good.

Jun 03, 2009 | 1996 Honda CBR 600 F(3)T

1 Answer

Bike dies if rpm rise above 4 or 5


Hi!

That clicking noise comes from the start-relay, that tells your battery is out of power or almost out of power, when the battery isent giving enough of power the start-relay clicks. Recharge the battery,
Now for that other thing, that your bike dies around 4-5 rpm, that can be caused by many things but i think that you will find the solution in the carbs. You told us that the bike has been standing outside for 3 years, that tells me that you carbs is in need of cleaning. Inside the carbs is a lot of smal parts that opens and closes when you hit the gas, after so long time outside some part dosent work as they should, therefore when you hit the 4-5rpm the bike dosent get the right mix of fuel and air since the carbs harsh and the bike dies.
Take the bike to a repaire shop and let them clean and calibrate the carbs and your problem will be solved.

Good luck
Nic

Apr 15, 2009 | 2001 kawasaki ZX-9 R Ninja

1 Answer

Help


Remove the water trap bowl at the bottom of the petcock, (gas valve). Any water or trash in the bowl? Drain a cup of gas from the tank. Any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the two screws on the outside throat of the carb and spray into the screw holes as well.
< < READ CLOSELY > >
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two screws down. Only screw these in until they LIGHTLY seat. Now turn each screw one and one half turns outward. Put the rest of the carb back together, clean the air filter and install the carb. Be sure the bolts are tight. Let the float bowl fill then start the engine. Set the idle speed with the idle screw. This process should get you back on the road.


Please rate this solution. Thanks!

Apr 07, 2009 | Sym Husky 125 Motorcycles

2 Answers

Starts slow and runs crapping


is it back firing, dying on you, and will it ride???

if the bike dies when you put it into gear and try to ride, you most likely have a carb/fi prob, or it could be a simple as bad gas,.

if the bike was stored with fuel in it then i bet its the latter,

drain the fuel and start fresh.
you will most likely need a carb clean.

i would also try using a VERY small amt of
BG products "44K." fuel injection cleaner.
this stuff is very strong so use with care!!!

Mar 12, 2009 | 2003 Buell Blast

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