Cleaning the carbs 1: Difference between revisions

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[[Image:Brian_Carb_Clean_12.JPG|150px]]

For more views of these parts, see [[Carburetor photos]].

When you take out the main jet, the emulsion tube (called 'holder' in the left picture) is behind it, with the jet needle (also called 'collar') behind that. Be sure you get these little parts out (part #16017 on the diagram), as they could fall out on their own if you don't.

[[image:Jim carb 2.jpg|150px]]

[[image:846663-2.jpg|70px]]

[[image:CARBURETOR PARTS.png|50px]]

When you replace the collars, check in the carb intake to make sure they're poking through. They only go in one way. The longer, narrower end goes in first.

For more views of all these parts, see [[Carburetor photos]].

==The cleaning process==

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[[image:P1000048-1024.JPG|150px]]

[[image:100_4971.jpg|150px]]

[[image:100_4970.jpg|150px]]

To do this, cut a Q-Tip in half in the middle of the stick and put it in a dremel. Put a little dab of [http://www.competitionchemicals.com/simichrome/ Simichrome] metal polish on the end and let it run at full speed for about a minute. Use the other end of the Q-Tip and carb cleaner to clean up the left-over gunk.

When it comes time to reassemble, the jets just screw back in, but you need to set the float height. Each set of carbs has a different recommended height (listed in the service manual for the given bike). If the floats hang too low, your bike can (and most likely will) run lean, and if they sit too high, you'll likely be fighting a rich running bike. The picture shows a special tool for measuring float height, but a 6" ruler, or even a basic set of calipers, can be used to measure the height. To measure, you want the floats to ''just'' be touching the fuel needle, which has a spring on it - you don't want to compress that. Most carbs can just be set upside down and the spring will hold the floats where they need to be; some carbs you'll need to tilt at an angle while doing the measuring. To adjust up or down, you just bend the small metal tang that rests on the fuel needle:

When it comes time to reassemble, the jets just screw back in, but you need to set the [[How do I adjust the floats?|float height]]. Each set of carbs has a different recommended height (listed in the service manual for the given bike). If the floats hang too low, your bike can (and most likely will) run lean, and if they sit too high, you'll likely be fighting a rich running bike. The picture shows a special tool for measuring float height, but a 6" ruler, or even a basic set of calipers, can be used to measure the height. To measure, you want the floats to ''just'' be touching the fuel needle, which has a spring on it - you don't want to compress that. Most carbs can just be set upside down and the spring will hold the floats where they need to be; some carbs you'll need to tilt at an angle while doing the measuring. To adjust up or down, you just bend the small metal tang that rests on the fuel needle:

[[Image:Brian_Carb_Clean_16.JPG|150px]]

@@ Line 118: / Line 118: @@
 [[Image:Brian_Carb_Clean_12.JPG|150px]]
-For more views of these parts, see [[Carburetor photos]].
+When you take out the main jet, the emulsion tube (called 'holder' in the left picture) is behind it, with the jet needle (also called 'collar') behind that. Be sure you get these little parts out (part #16017 on the diagram), as they could fall out on their own if you don't.
+[[image:Jim carb 2.jpg|150px]]
+[[image:846663-2.jpg|70px]]
+[[image:CARBURETOR PARTS.png|50px]]
+When you replace the collars, check in the carb intake to make sure they're poking through. They only go in one way. The longer, narrower end goes in first.
+For more views of all these parts, see [[Carburetor photos]].
 ==The cleaning process==
@@ Line 139: / Line 147: @@
 [[image:P1000048-1024.JPG|150px]]
+[[image:100_4971.jpg|150px]]
+[[image:100_4970.jpg|150px]]
 To do this, cut a Q-Tip in half in the middle of the stick and put it in a dremel. Put a little dab of [http://www.competitionchemicals.com/simichrome/ Simichrome] metal polish on the end and let it run at full speed for about a minute. Use the other end of the Q-Tip and carb cleaner to clean up the left-over gunk.
-When it comes time to reassemble, the jets just screw back in, but you need to set the float height. Each set of carbs has a different recommended height (listed in the service manual for the given bike). If the floats hang too low, your bike can (and most likely will) run lean, and if they sit too high, you'll likely be fighting a rich running bike. The picture shows a special tool for measuring float height, but a 6" ruler, or even a basic set of calipers, can be used to measure the height. To measure, you want the floats to ''just'' be touching the fuel needle, which has a spring on it - you don't want to compress that. Most carbs can just be set upside down and the spring will hold the floats where they need to be; some carbs you'll need to tilt at an angle while doing the measuring. To adjust up or down, you just bend the small metal tang that rests on the fuel needle:
+When it comes time to reassemble, the jets just screw back in, but you need to set the [[How do I adjust the floats?|float height]]. Each set of carbs has a different recommended height (listed in the service manual for the given bike). If the floats hang too low, your bike can (and most likely will) run lean, and if they sit too high, you'll likely be fighting a rich running bike. The picture shows a special tool for measuring float height, but a 6" ruler, or even a basic set of calipers, can be used to measure the height. To measure, you want the floats to ''just'' be touching the fuel needle, which has a spring on it - you don't want to compress that. Most carbs can just be set upside down and the spring will hold the floats where they need to be; some carbs you'll need to tilt at an angle while doing the measuring. To adjust up or down, you just bend the small metal tang that rests on the fuel needle:
 [[Image:Brian_Carb_Clean_16.JPG|150px]]