...Bassa Talk - Front end pulse dives when using foot brake

[beetle]

If someone wants to lend me their V11, I'll go to town on the map. Not much work done by me on non-CARC big blocks. I've fiddled with some CalVin maps however.

[drburt]

When I bought my 2001 EV a few months ago it didn't like to start and idle without holding the fast idle lever on or holding the throttle open a little.  I set the tps, balanced the throttle bodies and set the idle (by ear) and now it starts great. We are unseasonably warm here, so I don't know about cold start yet. I didn't see if you said you ever had an issue with starting or idling this past summer. Maybe getting the three things I did will help (or at least you'll know it's right and can start looking elsewhere afterwards).
Brent

[normzone]

Hello, and welcome again to another edition of Bassa Talk.

Today we're happy to announce that there's nothing significant or new that's amiss with the bike, we're just dropping in to remind you that your Bassa dollars go to support a good cause, and one hundred percent of my losses are donated to the normzone foundation for wayward riders.

I've been reluctant to return here, because after my whining about cold start challenges and all of your detailed advice, the first and simplest thing I tried resolved the majority of the issue: spark plugs.

So we'll gloss over that embarrassment quickly and move on to my next question - how long should a u-joint last? The secondary question is why is there not a hole in the housing you could access some zirc fittings through and keep the damn thing lubed ?

I don't know that I need one yet, but I can tell some slop in it, and someday it will make it's desires known. According to the service records I got with the bike, the second owner changed the u-joint at 14,000 miles. That makes little sense to me. Oh, and transcribed service history copy/paste below for the record ...



I pulled out the history file the P.O. gave me and summed it up in a spreadsheet, sorted it by date ... I did not list tires or oil changes.

Component    mileage(sometimes)    date      owner

bend shifter and replace bolts for front subframe       20020216    Phillip

crossover exhaust, Lafranconi, head pipe site with crossover & head clamps      20021121   Phillip

Map install      20021122    Phillip

Power commander, driving lamps, install exhaust and air box eliminator       20030130    Phillip

throttle sync, oil sender,     15400   20030704   Martin

Rear brake pads       20050310    Martin

Carrier bearing (u-joint) and rear pads   14025   20050331   Martin

Oil switch   21385   20060128   Martin

fuel pump   27537   20070913   Martin

Exhaust clamp   33134   20080718   Martin

Battery   33134   20080725   Martin

air filter   33136   20080728   Martin

Speedometer   36700   20081014   Martin

rear pads   38500   20100428   Martin

battery      20140213   Norman

rear shocks      20140327   Norman

front pads      20140415   Norman

air filter, speedometer cable   52000   20150824   Norman

battery      201141005   Norman

[oldbike54]

 Seems a properly greased U joint that is running nice and straight should last a long time . No idea how many miles mine has on it , at least 40K , I don't even think about it .

 Dusty

[fotoguzzi]

you worry too much Norm..

[normzone]

Well, you wouldn't be the first to tell me that.

And just as I quit worrying about my engine top end noises after I took you fellows advice and began wearing earplugs, since apparently it's a long term component I'm going to cease worrying about my u-joint until it gets as interesting to listen to as some of the tales I've read here - I believe it was [rodekyll] who rode his to a grinding, flaming halt somewhere in the wilds of Canada.

My Guzzi-versary is fast approaching - January 13th it will be three years since you fellows steered me to this excellent machine, for which I will always be indebted to the lot of you.

[twhitaker]

My Cali has 145k miles on the original u-joint. like foto says, thou doest worry too much.

[Tom H]

If I read it right, it looked like just the carrier bearing, not the U-joint.

U-joint, anywhere from 1mi to 50,000mi or more.

My Eldo in 35 years has had 2 replacements, the first one was a good used and the second was factory new.

Tom

[Aaron D.]

They last longer on the later bikes, probably due to the longer swingarm.

[normzone]

Okay, now I'm confused. Nothing new there, but ...

I thought carrier bearing was just another term for universal joint. Upon further reflection, is the carrier bearing a housing for the u-joint to dance in ?

[Tom H]

Go to Harpers and look up your bike and then look for the swingarm exploded view.

The bearing is in the large end of the swingarm right about where it necks down. The U-joint is in the large end. The carrier bearing supports the end of the u-joint or u-joint/driveshaft combo as found on my '04 and I'm sure yours as well.

Tom

[twowings]

'Roll....another one...just liiiiiiike....the other one...'

[rodekyll]

As dusty said (before that girly oo oo oo), the ecu needs some time to forget yesterday and orient itself to current conditions.  Some call it the 15-second rule.  I know I do.

Also, someone mentioned toggling the kill switch a few times.  This adds fuel to the intake per number of toggles.  Sort of a fake enrichment cycle.

And no, I have no sympathy for low 50s riding.  I worry about you for when it gets cool out -- which happens somewhere waaay below 52.   

[normzone]

YGBSM ...

That's what the patch on the electronic warfare guys is reputed to say, based on the response of the first guy informed that he was going to ride back seat to a fighter pilot while they attempted to flush out missile launching sites with themselves as live bait.

Okay, I can believe the toggling the kill switch would make the computer think "Hey, I just woke up, I'll throw a little fuel in the pipe, since we're probably going someplace".

This is So Cal ... water freezes somewhere in the low forties. Girls still wear bikinis though, down into the low sixties. I start wearing long underwear as soon as it hits the fifties. Reminds me, time for another order to LL Bean. And my Motoport pants are supposed to be ready in a week or two.

" You been hanging onto it ... "

[rodekyll]

It's the 15sec that makes it re-read its sensors.  The toggle just squirts gas.

It never broke 40 here in E TX today, with the low headed to the 20s tonight.  folks here say it's cold.  You guys.    

[Aaron D.]

My friend in Virginia told e he wore heated ear when riding in temps in the 50s.

I pointed out our thermostat in the house is set at 52.

[Chuck in Indiana]

You've been holdin on to it..
Norm.. don't worry, be happy.  I'll be out in SoCal checking out the beach bunnies in their parkas shortly. Kinda funny, actually.

[normzone]

Yeah, I like the December look - Ugg boots, short shorts and mittens.

But on to Guzzi-related content ... from this thread     http://wildguzzi.com/forum/index.php?topic=23622.0     I got some counsel regarding upgrading bulbs. So I thought I'd double check what was already in the turn signals and ... I can't get in to them. WTF? ( Why That Format ? )

Obviously things have changed since I owned an Eldo ...

[Tom]

Just a little.   

[normzone]

Okay, so there really IS a standard head screw down at the end of that dusty tube in the turn signal housing.

Now I can see why there's so little talk on the forum about just putting a modern LED bulb in the stock EV turn housing - I don't believe there's enough room. Too bad ...

The bulb itself is identified in the following manner:

R10W12814PHILLIPS12 V10WE12BFFRANCE8F1

Whereas the brake light is a mere

JP72057

So I guess I'll hunt for a brake light upgrade kit ... or make something artistic 

I'm going to interpret the turn signal code as the following:

R 10W (this is a 10 watt bulb?) 12814 PHILLIPS (guess who made this bulb) 12V (your bike has a 12 volt system) 10W ( 10 watts? Really ? ) E12 BFF ( you and this bulb are Best Friends Forever ) RANCE ( if you and this bulb break up you'll have to move to France ) 8F1

[John A]

if you go up on wattage on the tail/brake bulb you will need to modify the socket to a metal socket by removing the contacts and using a appropriately sized round thing, I use a Snap-on 1/4" drive deep socket heated enough to melt the plastic to size the hole. I like to retain the ground, then epoxy the new metal socket in place. pay attention to the depth setting. or if you prefer use a LED bulb if the original socket is still viable.

[Tom]

Okay......I'm the type that will ask for clarification when confused.  LED's for the brake/running light combo or turn signals???   If brake/running light combo, I have LED bulbs that were bought at O'Reilly's on my Strada.  (I didn't buy them.) 

1157   brake light      http://www.oreillyauto.com/site/c/detail/SYL9/2357RSLBP2/01591.oap?year=2004&make=Hyundai&model=Accent&vi=1425596&ck=Search_01591_1425596_4602&pt=01591&ppt=C0010

1156    turn signal     http://www.oreillyauto.com/site/c/detail/SYL9/7506SLBP2/01593.oap?year=2004&make=Hyundai&model=Accent&vi=1425596&ck=Search_01593_1425596_4602&pt=01593&ppt=C0010

[normzone]

We've been through this before, and I cannot wrap my head around this.

The front end always pulse dived when I used the foot brake.

I chalked it up to a warped disc, only to be directed to the threads stating " It's not a warped disc, it's a spot on the disc with brake pad material loaded into it "

I put on a used front left disc and the problem went away (mostly) - there was still just a trace of it.

Now it does it again.

If the disc is loading, why doesn't the front right disc do it first, since it is the one that really sees the conditions purported to load the disc up, and the left front disc sees less use?

[oldbike54]

 Norm , it has to do with the direction Earth orbits the Sun , well , that and the fact that you live on the West Coast . Folks on the East Coast report just the opposite .

 Or... maybe you need to start using the front brake more , or less . Could be you are applying more pressure thru the front lever than thru the foot pedal .

 OK , so you don't buy those explanations , any possibility you are riding around in circles ? 

 Dusty

[normzone]

Let's assume that my commute loop could be viewed as a circle for mathematical purposes.

Am I the only Guzzista that has this issue? That would lead me to believe it's a (hard configuration) problem, not a material buildup issue.

Do many of you periodically dress your discs in some manner to remove buildup? I didn't think so.

 

[oldbike54]

Let's assume that my commute loop could be viewed as a circle for mathematical purposes.

Am I the only Guzzista that has this issue? That would lead me to believe it's a (hard configuration) problem, not a material buildup issue.

Do many of you periodically dress your discs in some manner to remove buildup? I didn't think so.

 

 Norm , you need to read more on WG , many discussions about using a Scotch Brite pad to clean brake rotors .

 Dusty