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Message started by mscepu101 on 10/09/12 at 17:30:46

Title: Transmission interlock?
Post by mscepu101 on 10/09/12 at 17:30:46

Quick question:

Does the Savage have a transmission interlock that prevents starting if the bike is not in neutral?


Today I was stranded for about an hour because my 1999 Savage would not start.

The green neutral lamp was not illuminated and the starter would not engage with clutch pulled in.

I suspect a dead battery and attempt to "jump start" the bike but could not established continuity.  It appeared I had an open in the electrical system.

I then noticed my headlight was on which prompted me to play with gear selector and the neutral light came on and I started the bike!

I know that the bike will cut out if you put it in first gear with the kickstand down...but I thought I could start the bike if I pull in the clutch if the bike was in gear.

Title: Re: Transmission interlock?
Post by clearush on 10/09/12 at 17:48:18

bike will not start in gear if the kickstand is down, bike will not start without the clutch pulled. The kickstand and clutch switches can go bad and cause the bike to not start even with the stand up and clutch pulled. These can be bypassed.

Title: Re: Transmission interlock?
Post by stewmills on 10/09/12 at 19:37:22

+1.  Kickstand can be down but bike has to be in neutral and you still have to pull in the clutch to start, once running you can release and let it idle in neutral. This is my normal warm-up routine...

Title: Re: Transmission interlock?
Post by justin_o_guy2 on 10/09/12 at 19:39:41

Unless the bike doesnt KNow it is in neutral.

Title: Re: Transmission interlock?
Post by stewmills on 10/09/12 at 21:02:17


7A656364797E4F7F4F77656922100 wrote:
Unless the bike doesnt KNow it is in neutral.


a hammer will tell it whatever you want it to know  ;)

Title: Re: Transmission interlock?
Post by clearush on 10/09/12 at 21:11:07

Or like the rest of us bypass the switches when they go bad or before.

Title: Re: Transmission interlock?
Post by J C Stokes on 10/09/12 at 21:31:31

Sidestand must be up and clutch pulled in to start, if it starts with the side stand down someones already bypassed it

Title: Re: Transmission interlock?
Post by Charon on 10/10/12 at 05:24:31

Bypassing safeties is very seldom a good idea, regardless of the "It might fail and leave me stranded" mentality. With perhaps a couple of exceptions, all of us are human and all of us make mistakes. If the safeties are working correctly they are "transparent" in the sense that if you do what you are supposed to do you will never notice them. If you do notice them, chances are you have made some mistake.

True, it is possible for any of the safety switches to fail. True, knowing how to bypass them TEMPORARILY is a good idea. But then, when you get home, repair them and don't leave them bypassed. The old adage about safety rules being written in blood is true. Safety interlocks are generally an engineering way to keep people from making the mistakes that have gotten others hurt or killed.

OK, you old school "simple is better" guys, flame away. And don't forget to put in the part about the "nanny state rules."

Title: Re: Transmission interlock?
Post by youzguyz on 10/10/12 at 05:39:53

at Charon -- + 1.  I would much rather look the fool by going in gear with the kickstand down and having the bike die then taking off riding that way and having the bike pogo off the kickstand in a left turn.

Here is what I know about the switches:
Clutch switch.  Must pull in clutch to START the bike.  Zero effect on bike running (.. duh ..)

Kickstand switch - when kickstand is down.
If bike is in neutral, bike starts and runs.
If bike is in gear, will not start, will not run.


Title: Re: Transmission interlock?
Post by WD on 10/10/12 at 06:15:10

The larger bikes like the 800 Intruder have the transmission switch, haven't delved deeply enough into the Savage's wiring to see if it does or not. I know there was a rash of interlock switch failures in the tech section of the Intruder forum. And it is not a switch that can be easily bypassed, rather hard to get to. If the neutral light comes on, and the other switches have been bypassed yet it still won't crank... it has an interlock that needs attention. Or a relay somewhere has failed or is failing.

The big problem with the clutch and side stand switches is their permeability. They aren't weather tight, so they corrode from the inside out. The side stand switch on mine was kaput at 2 months of riding on the Gulf Coast. Salt air + high humidity = dead switch. I autopsied mine, the little contacts inside were rotted to the base plastic.


Title: Re: Transmission interlock?
Post by Charon on 10/10/12 at 06:36:00

Best I can tell the Savage/S40 uses the neutral light switch and does not have a separate switch to tell the interlock the bike is in Neutral. That switch supplies a ground in Neutral; an open anywhere else.

I understand that the clutch interlock switch is exposed. But so is the front brake light switch, and I don't seem to see many complaints about that. The rest of the switches on the handlebar (High/Low beam, horn, starter, flash-to-pass, flashers, kill switch) are also hanging out in the breeze. I am not sure about the sidestand switch, but I believe it is located somewhere under the seat and is actuated by a cable from the sidestand. The rear brake light switch is also located pretty low, and is exposed to the weather. It doesn't seem to me that the interlock switches would be any more exposed or any less reliable than all the other switches on the bike.  

Title: Re: Transmission interlock?
Post by Dave on 10/10/12 at 06:59:49


0E252C3F22234D0 wrote:
I am not sure about the sidestand switch, but I believe it is located somewhere under the seat and is actuated by a cable from the sidestand.   


Nope.  There are two wires that go down to the sidestand, and there is a little plunger that is depressed when the sidestand is up, and that activates the switch that is located right down there in the footpeg/sidestand mount.

Title: Re: Transmission interlock?
Post by Charon on 10/10/12 at 07:09:30

I stand corrected. Apparently I misconstrued comments about the connectors being under the seat to believe the switch was there, too.

Title: Re: Transmission interlock?
Post by ratz on 10/10/12 at 09:10:27


6576320 wrote:
The big problem with the clutch and side stand switches is their permeability. They aren't weather tight, so they corrode from the inside out. The side stand switch on mine was kaput at 2 months of riding on the Gulf Coast. Salt air + high humidity = dead switch. I autopsied mine, the little contacts inside were rotted to the base plastic.

I see what you're saying,but I have to add YMMV. My Savage is a 96,which was purchased in Mobile,AL and has lived here all it's life.
So far the switches haven't failed.It had 5200 miles on it 2 years ago when I got it from the original owner and now has 22000 miles on it.
As much as I hate it,it has had to live outdoors the whole time I've owned it. I live about 10 miles from the Gulf.
Of course now that I said that,they probably will all crap out at once! :D

Title: Re: Transmission interlock?
Post by verslagen1 on 10/10/12 at 09:14:10

Things like this are at the whim of the assembler.
how much grease is applied will make a big difference.

Title: Re: Transmission interlock?
Post by thumperclone on 10/10/12 at 09:26:12

neutral sw(Bl) is tyed into the ss diode,one side of the diode(B/.B) goes to the light,the other(O) to the ss relay & ss switch.*



*ssm wiring diagram 05 model

Title: Re: Transmission interlock?
Post by WD on 10/11/12 at 06:58:33

I lived a block and a half from the beach.

Switch failures on mine? 1998 side stand. 1999 rear brake switch. Turn signal switch in 2001, 2004, 2010 (Deleted in 11). Starter button in 98, 99, 01, 04, 08, 10 (Deleted in 10). Front brake switch hasn't worked right since mid-98, sometimes it works, sometimes it doesn't (Deleted in 11). Horn button 01, 04, 10 (Deleted in 11).

Let's see, other weather induced issues... fender rails rotten by 2001. Seat fell apart in 2001. Brake shoes delaminated from the backing plates several times. Rear fender rotted out around the bolts and wiring clips. Rear brake cable froze up, switched to spray grease, no problems since....

Mine is usually outside. In the barn now because it was either that or the burn pile.  ;D

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