guzziriders.org - moto guzzi forum Homepage
Forum Home Forum Home > Technical > CARC models
  New Posts New Posts RSS Feed - Starter relay Mod
  FAQ FAQ  Forum Search   Events   Register Register  Login Login

Starter relay Mod

 Post Reply Post Reply Page  <1234>
Author
Message
Brian UK View Drop Down
Moderator Group
Moderator Group
Avatar

Joined: 13 May 2014
Location: Surrey
Status: Offline
Points: 7943
Post Options Post Options   Thanks (1) Thanks(1)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 14 Apr 2018 at 07:54
Agreed, all those should be checked.

The most common from my experience is the battery not fully charged.
Brian.

Better 5 minutes late in this world than years early in the next.
Back to Top
iansoady View Drop Down
Senior Member
Senior Member
Avatar

Joined: 23 Jul 2017
Location: Birmingham
Status: Offline
Points: 553
Post Options Post Options   Thanks (1) Thanks(1)   Quote iansoady Quote  Post ReplyReply Direct Link To This Post Posted: 14 Apr 2018 at 10:25
I don't think the starter would take a very heavy current if it's not actually trying to spin the engine so would have thought 4mm cable would have been enough.

Agree with the other points though.

I rebuilt the (Valeo) motor on my V50 and it was a fairly straightforward job. I didn't need to replace the brushes though.
Ian
1982 V50
1952 Norton ES2
Back to Top
Brian UK View Drop Down
Moderator Group
Moderator Group
Avatar

Joined: 13 May 2014
Location: Surrey
Status: Offline
Points: 7943
Post Options Post Options   Thanks (1) Thanks(1)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 14 Apr 2018 at 15:43
Agreed, running light it should spin ok provided the actual connections are reasonable.
Brian.

Better 5 minutes late in this world than years early in the next.
Back to Top
magwa View Drop Down
Senior Member
Senior Member
Avatar

Joined: 25 Mar 2017
Location: Wales uk
Status: Offline
Points: 317
Post Options Post Options   Thanks (1) Thanks(1)   Quote magwa Quote  Post ReplyReply Direct Link To This Post Posted: 16 Apr 2018 at 21:06
use a charged "jump starterpack" instead of the battery with the starter motor off the bike.
  The starter motor will spin quickly and easily  (in either direction )
you can check the solenoid throw the bendix cog out
 
Strip and clean all the old grease in the solenoid body.
Lube on reasembly with 3in1 oil not grease.
If all else fails you can always sell the bike.......I didDisapprove



Edited by magwa - 17 Apr 2018 at 11:56
Magwa
2008 motoguzzisport ( sold)

1986 Morgan 4/4
1968 mobylette
Back to Top
Bernyc View Drop Down
Falcone
Falcone


Joined: 08 Apr 2018
Location: Spain
Status: Offline
Points: 25
Post Options Post Options   Thanks (1) Thanks(1)   Quote Bernyc Quote  Post ReplyReply Direct Link To This Post Posted: 17 Apr 2018 at 13:43
Sorry for the delay, I have narrowed it down to the starter solenoid. I did the relay mod., but this still wont turn the starter motor, the starter turns  properly when I bridge the contacts though. I have separated the solenoid from the starter and tried to get that to operate, but nothing is happening with it. Just got to source one of them now and give it a go. Wish me luck.
Back to Top
Mike H View Drop Down
Senior Member
Senior Member
Avatar

Joined: 21 May 2014
Location: East Anglia
Status: Offline
Points: 5264
Post Options Post Options   Thanks (1) Thanks(1)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 17 Apr 2018 at 15:32
OK then - sometimes it really is the starter motor is FUBAR Big smile


"Chicken nuggets don't dance on a Tuesday."
Back to Top
Ken-Guzzibear View Drop Down
Moderator Group
Moderator Group
Avatar

Joined: 13 May 2014
Location: Sileby Leics
Status: Offline
Points: 4857
Post Options Post Options   Thanks (1) Thanks(1)   Quote Ken-Guzzibear Quote  Post ReplyReply Direct Link To This Post Posted: 17 Apr 2018 at 20:41
they ought to be easy to get same as on many cars n bikes look on the part itself for the Bosch part number and search that...... you may be surprised what comes up
The Older i Get, The Better I Was
Back to Top
Brian UK View Drop Down
Moderator Group
Moderator Group
Avatar

Joined: 13 May 2014
Location: Surrey
Status: Offline
Points: 7943
Post Options Post Options   Thanks (1) Thanks(1)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 17 Apr 2018 at 21:06
When you tried to get the starter going using the solenoid, did you hear the clunk of it pulling in?
If not then the coils in it have expired, but if you did, either the pinion is sticking and not allowing full travel of the solenoid, so the plunger never reaches the contacts, or the contacts have got very dirty/pitted and no longer conduct.
 
Both of the latter points can be checked and resolved without resort to a new solenoid.
 
However replacement solenoids are available for Bosch starters as Ken said, do you know of a Bosch service agent near you?
Brian.

Better 5 minutes late in this world than years early in the next.
Back to Top
Bernyc View Drop Down
Falcone
Falcone


Joined: 08 Apr 2018
Location: Spain
Status: Offline
Points: 25
Post Options Post Options   Thanks (0) Thanks(0)   Quote Bernyc Quote  Post ReplyReply Direct Link To This Post Posted: 17 Apr 2018 at 22:37
We are out and about tomorrow and I´ve googled bosche dealers, there is one on the way to where we are going, so I will call in there and see if they can test the whole thing. The problem is we are in Spain and my Spanish is not the best. Again I will let you all know how I get on.
Back to Top
Brian UK View Drop Down
Moderator Group
Moderator Group
Avatar

Joined: 13 May 2014
Location: Surrey
Status: Offline
Points: 7943
Post Options Post Options   Thanks (1) Thanks(1)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 18 Apr 2018 at 13:54
Yes, language can be a barrier.

You need Manuel from Fawlty Towers there to help.
Brian.

Better 5 minutes late in this world than years early in the next.
Back to Top
Bernyc View Drop Down
Falcone
Falcone


Joined: 08 Apr 2018
Location: Spain
Status: Offline
Points: 25
Post Options Post Options   Thanks (0) Thanks(0)   Quote Bernyc Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2018 at 09:56
Right I´m getting fed up now, the starter and solenoid are working fine, had them tested, all ok. Back to the wiring for the relay, the orange/yellow which is the permanent live feed has a voltage drop of .02( this is the new run of cable from the battery), both the brown/white and the red/black which both get their power when the ignition is on also have a drop of.02, the yellow/orange which goes to the spade terminal at the starter has a drop of .01, yet still the bugger just clunks when the starter is prodded.
Back to Top
Brian UK View Drop Down
Moderator Group
Moderator Group
Avatar

Joined: 13 May 2014
Location: Surrey
Status: Offline
Points: 7943
Post Options Post Options   Thanks (1) Thanks(1)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2018 at 10:38
Voltage "drops" like that are of no consequence unless there is a load on the circuit. What you need to be able to measure is the actual voltage at the spade terminal on the solenoid when you press the start button.
I suspect in your case it will be quite a bit lower than 12v. You should also check the actual battery voltage across the terminals under the same conditions, ie. when you press the start button. If this is also dropping considerably, then you may have a faulty battery.
 
Brian.

Better 5 minutes late in this world than years early in the next.
Back to Top
Bernyc View Drop Down
Falcone
Falcone


Joined: 08 Apr 2018
Location: Spain
Status: Offline
Points: 25
Post Options Post Options   Thanks (0) Thanks(0)   Quote Bernyc Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2018 at 12:51
The battery voltage drops about half a volt when the button is pressed, The spade connector is not registering anything on the meter when the button is pressed, and yes  the connector is attached to the solenoid, I am getting the battery checked, should know in about an hour how that is. 
Back to Top
Bernyc View Drop Down
Falcone
Falcone


Joined: 08 Apr 2018
Location: Spain
Status: Offline
Points: 25
Post Options Post Options   Thanks (0) Thanks(0)   Quote Bernyc Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2018 at 16:04
The Battery has been tested and it is good, I found an older post on here where someone cleaned off the earth to the ecu and it cured his, tried that and still no good. I even tried running another cable from the relay to the starter solenoid therefore bypassing the ecu, but still the same problem, the only way the bike will start is by bridging the positive lead to the solenoid spade.

Back to Top
johnno View Drop Down
Senior Member
Senior Member


Joined: 19 Jul 2014
Location: loughborough uk
Status: Offline
Points: 3005
Post Options Post Options   Thanks (0) Thanks(0)   Quote johnno Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2018 at 17:43
have you tried putting it in gear and rocking bike back and forth just in case starter is just sticking
GSXR1100 L ,Moto Guzzi 650tt/ntx.750xpa,t5 850.1100 sport,1100 sport corsa rider
Back to Top
 Post Reply Post Reply Page  <1234>
  Share Topic   

Forum Jump Forum Permissions View Drop Down

Forum Software by Web Wiz Forums® version 12.00
Copyright ©2001-2018 Web Wiz Ltd.

This page was generated in 0.107 seconds.