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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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Hi Joseph, The link below is a short YouTube video, This guy shows the right colour spark and I never thought about it but it should spark over the top of the centre electrode, Hope this is helpful.. CHEERS... https://www.youtube.com/watch?v=mUOmsGiirTU
I've never encountered an engine that required gasket maintenance as a result of changing spark plugs.
I'm not saying that it might need a gasket replacement, but it would not be because of changing the spark plugs.
You replace sparkplugs,plug wire,tps,map,cap and rotor.Thats good,If the vehicle runs and you come to a stop and it stalls,That is the IAC (Idle air control) you say it ran fine for a week now its acting up, Service the IAC or get it replaced.
Starting on the pasenger side. Remove the intake tube running from the air filter box to the throttle body and disconnect enough tubes to swing it out of the way. The sparkplugs are down below the small coils you see at the end of the sparkplug wires. With a 10mm socket remove bolt holding the coil, disconnect the plug at the top of the coil by squeezing it at the top and pulling straight off the coils.
Pull the coil straight up. there will be about a 6 inch tube that connects to the top of the spark plug when inserted. You will need a 5/8 sparkplug socket and about 2 feet of extensions to make it easy on yourself. Insert the spark plug socket and extensions down the hole you removed the coils with the tube from and remove and replace the sparkplug. Reinstall your coil onto the engine and move to the next one until you have replaced all the plugs on the passenger side.
Make sure you reconnect all the plugs to the coils, hoses to the intake tube and reinstall your intake tube. The drivers side is a little easier. Pop the spark plug wires from their plastic holders to free enough slack to be able to pull your sparkplug wires out of the block. For the plug closest to the front of the engine you will need to remove the 10mm bolt holding the ground wires to the intake manifold to be able to free enough space for removing the plug.
For the middle plug you will need to remove the 10mm bolt holding the bracket that is holding one of the throttle cables at the top of the intake manifold. For the rear plug just pop the flexible hose that runs behind the black metal bracket straight up out of its clip and push it out of the way along with any other hoses that run through this area. Pull the spark plug wire from its place by pulling straight up just like with the coils. there will also be about a 6 inch tube running down to the spark plug at the bottom of these plugs.
Remove and replace the plugs same as before. make sure you reconnect all your hoses and wires to their previous locations. Doublecheck to make sure you reconnect all the ground wires/ brackets. Also you will need to use " twin ground electrode plugs" (see sticker on front of your plastic timing belt cover? to the right of the radiator hose).
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