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Frame & Suspension / Re: Upper Triple Tree
« Last post by uglyrabbit on October 19, 2017, 02:02:41 PM »
I wanted to bring up this old thread to post what I found about the xs400j triple clamp. It is not the same spacing as the Xs500. The spacing on the xs500 is about 140mm to the inside of the fork tubes and the xs400j is about 150mm.
Electrical / Re: No Charge! ( I believe a bad Field Coil )
« Last post by redcon on October 18, 2017, 08:21:30 PM »
Welp, I'm glad you advised to look at things a little deeper.

I found one the white wires going to the generator had been shredded by the drive chain....I solder/sleeved the break with some new wire and retested. Now it is at least reading the correct ohms for that connector. Still not getting the field coil to magnetize though.

There's one other thing I want to check before I tear the cover off. I actually bought a regulator/rectifier unit from Ricks Motor Sports a while back. Long story short, I've been in contact with them today about the connectors to the regulator possibly being pinned out incorrectly. I read that some places might be going off of the xs400 diagrams, so I've got a line in to them just to double check and be positive that unit is not the issue.

Thanks for your help Guy, I'll let you know what Ricks has to say.

Engine & Transmission / Re: crankshaft/cases/bearing inserts
« Last post by oly507 on October 16, 2017, 02:13:30 PM »
Guy, thank you very much.  Rich
   The only dumb questions are the ones you don't ask , that get you deeper in trouble for not knowing the answer !
Well that confirms it, im an idiot. Sorry for the dumb question
Dailydose1 ,
 I am looking at a wiring diagram for 74/75 models . The blue/black wire is coded LB . Shown at " right handle switch/light" .
                                                                        Dave .
I have a service manual but my wiring diagram, ill have to look again, does not mention any blue/black wires at all. Its not even on yhe color legend which is why i was so confused. But ill look again and gwt back to you
Dailydose1 ,
 Blue/black goes to the headlight dimmer switch (left grip) .
 Is the black wire you mention heavy gauge ? If so , it goes to the starter solenoid . It may be to the neutral switch if it's a small one . that would be near the alternator wiring .
 Do you have a service manual ? Sounds like you need one !
                                                                                               Dave .
Engine & Transmission / Re: crankshaft/cases/bearing inserts
« Last post by guylr on October 15, 2017, 03:32:30 AM »
I apologize for confusing you. I'm left handed! The RIGHT most Web has the machined flat with 22 for the big ends and the 3rd and 4th crank wheels, again on the right end, have the main journal sizes stamped on them (121)

Your rods are both stamped #2  so 2-2=0 for all of your rod bearings. 371-11656-03-00

If you are sure the you were looking at the underside of the top front engine mount bosses on the cases and there was only a 4 then I'm going to assume that all three main case journal sizes are #4 not 1974.

So main bearings are:
Left 4 - 1 = 3      341-11416-30-00
Center 4 - 2 = 2  341-11416-20-00
Right 4 - 1 = 3     341-11416-30-00

Hi guys!

I rewired my entire bike today! What a learning experience it has been but a blast none the less! I keyed on the power and got a small electrical fire out of the blue/black wire on the RH controls which I thought was ground and had wired as so? Am i doing something wrong there?

On another note I have a black wire coming out of the starter hole, is that ground? Same with by where the alternator wires come out?
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