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Re: Changing the 2 inner sparkplugs
As you've read in front of this reply...pull the tank, and do the job right..nothing worse then trying to pull a busted plug, ten, or even 60 minutes now is better then a couple hours of cursing later.
Whatever you do....make sure you always change all the plugs when you do a tune-up, quality plugs are always a plus, but leaving two unchanged won't help you down the road.
I hope this helps you.
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The best way would be to pull the tank to get a straight shot at the plugs, like any maintenance with anything these days a 10 minute job has been turned into an hour. Make sure you put high quality plugs back in, as it will be well worth the headaches down the road.
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Remove both sparkplugs from engine. Plug them back in the sparkplug cables and let them rest on the engine.
Make sure your battery is well charged.
Check for sparks while kick-starting...
Interchange the sparkplugs in the cables:
-Same plug give sparks: replace the spark plugs.
-Same side of engine sparks: interchange the low-voltage connector at the ignition coils.
Give it a try:
Same engine side sparks: Replace the defective ignition coil.
Other side of the engine sparks: Check the circuit harness for loose connectors, and/or Clean-replace the breaker points ( left side of the engine carter ).
If you remove the airbox it is easier to reach them but it is a lot of work to remove it.If you remove the radiator it is an easier procedure but you will have hard time to reach the spark plugs cause there is limited space to work in.
I have never changed the plugs on this type of bike but here is a rough idea for you.
1. Remove the fuel tank making sure you dont spill any fuel
2. Remove the Airbox
3. Number up the plug leads (mark them numbers 1-4) making sure you dont get them mixed up i.e no.1 lead resembles piston no.1, no.2 lead resembles piston no.2 piston and so on
4. Remove the spark plugs with a correct size spark plug socket
5. Before installing the new spark plugs make sure you have made the right gap clearence on the tip of the plug
6. Install the spark plugs
7. Re-fit the leads making sure the correct marked up lead goes with the correct piston
8. Fit the airbox
9. Fit the fuel tank
Hope this is help to you. If you are in doubt then take the bike to a nearby mechanic in which i should imagine that it is not expensive to have them fitted professionly
1. Undo the two screws for the fuel tank (steering side, not seat side) 2. Lift tank, unplug all attachments to airbox. 3. Loosen screws on the left and right of airbox to loosen from the carbs and remove air filter box. 3. You should see four black 'things' with wires attached at the top of the engine - unplug wires and pull the black plugs out. 4. If possible, use compressed air to clean out the holes before attempting spark removal. Sand can sometimes get in there. 4. Insert spark plug socket in the holes to remove and replace.
The sound and the high fuel consumption are all related. there are many things that might be wrong. it could be the fuel quality the carburettor air filter spark plug or even an elecrtical problem. but since you had the bike serviced but you are still experiencing problems i would try cleaning the spark plug. and when you fit the sparklug back, check wheter the wire going to the sparkplug is in perfect order. then put the bike in neutral, put in on the main stand, start it and check the big wire going to the sparkplug. listen if you can detect any noise in that area. if you hear a tik - tik sound, then there is a elecrtical leak. you should be able to repair that by yourself if not a normal service station would do. however if thats not the problem, then you should bring the bike to another service station,,,