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Bandit SAK9 Neutral problem

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bgfs
Two Stroke Sniffer



Joined: 16 Dec 2009
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PostPosted: 20:12 - 20 Dec 2011    Post subject: Bandit SAK9 Neutral problem Reply with quote

I have a Suzuki 2009 GSF650 SAK9 which has done 14,000 miles. I have a problem when selecting neutral. The bike goes into neutral (proven by letting the clutch out), but the neutral indicator doesn't come on. I have to try a number of times and sometimes a slight downward pressure (not enough to take it out of neutral) get the neutral light on. This is the second time this has happened. The first time the dealer repaired it but didn't explain what was wrong. Anyone got any ideas whats wrong and how to fix it?
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Dazbo666
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Joined: 06 Jun 2004
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PostPosted: 20:30 - 20 Dec 2011    Post subject: Reply with quote

Dodgy bulb ?
Loose connection(s) ?
Phunked sensor / switch ?
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bgfs
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PostPosted: 21:48 - 20 Dec 2011    Post subject: Reply with quote

Bulb is fine. My theory is the switch but how do you get at it. It would appear that the gear change is connected to a rod which connects to the gear box. How easy is it to get inside and at the switch?
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HD
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PostPosted: 22:20 - 20 Dec 2011    Post subject: Reply with quote

Does it need changing? Surely if you're in neutral, you know you're in it? Confused
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orac
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PostPosted: 16:19 - 21 Dec 2011    Post subject: Reply with quote

^what about the safety circuits that cut the engine when the stand goes and the thing is in gear/not showing neutral^

i would take the snensor of and give it a good spray with contact cleaner, let it dry and check the contact etc. if they have some corrocion gently rub them with some fine wet and dry to remove the corrosion.
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Current rides - 2016 Triumph Street Triple Rx, 1994 Suzuki Bandit 400 VM, TGB 204 Classic 125cc
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Walloper
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PostPosted: 16:37 - 21 Dec 2011    Post subject: Reply with quote

orac wrote:
^what about the safety circuits that cut the engine when the stand goes and the thing is in gear/not showing neutral^

i would take the snensor of and give it a good spray with contact cleaner, let it dry and check the contact etc. if they have some corrocion gently rub them with some fine wet and dry to remove the corrosion.


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HD
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PostPosted: 18:16 - 21 Dec 2011    Post subject: Reply with quote

orac wrote:
^what about the safety circuits that cut the engine when the stand goes and the thing is in gear/not showing neutral^


Isn't that just the stand switch? Doesn't the neutral one purely show if your in neutral or not and doesn't affect the engine?
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DJP
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Joined: 11 Dec 2011
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PostPosted: 19:44 - 21 Dec 2011    Post subject: Reply with quote

My 1250 Bandit's just the same (and has the same basic engine unit).

It's done a similar mileage, too.

Where is the neutral switch on these engines? I suspect that it's just the switch getting covered with crap.
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HD
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PostPosted: 20:08 - 21 Dec 2011    Post subject: Reply with quote

On the bandit 400, it is just beside the gear linkage. Shouldn't be far from there.

On mine though, it looks like it is put in and hot glue injected around it. Maybe you can remove the whole unit or it was a bodge Idea
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BanditsHigh
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PostPosted: 20:41 - 21 Dec 2011    Post subject: Reply with quote

Neutral switch will usually consist of a circular blob with a couple of wires, mounted on the end of the gear selector drum (left side of engine under sprocket cover.

Usually two machine screws hold it in place ... has a copper/brass contact on the inner side ... selector drum has a spring and ball bearing which make contact with (guess) when in neutral.

Easy to take off and clean ... just watch out for the ball bearing ... also check the connector where it's plugged in.
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orac
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Joined: 25 Sep 2011
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PostPosted: 07:46 - 22 Dec 2011    Post subject: Reply with quote

the switch, clutch switch and side stand switch make most of the safety circuit, on the 400 the side stand also has reley, and there is a diod that feed the kill from the cluctch switch (if i remember correctly)

also most bike now dont have just a neutral switch, i now the v-valve 400 bandit have a gear position switch with evry gear and neutral with a copper pad. the front sprocket has to be removed to get to it. it has a small retaining bracket and 2 machine screws that hold it in place
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Old Thread Alert!

The last post was made 7 years, 306 days ago. Instead of replying here, would creating a new thread be more useful?
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