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FJR Engine Forensic Analysis

Tech section strictly for the FJR. Everything from oil changes & suspension setup's to removing sheep hair from hard to reach places on the bike so that your wife never finds out.
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bungie4
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Re: FJR Engine Forensic Analysis

Post by bungie4 » Fri Dec 21, 2018 3:28 pm

Hey, you had one of those new lightweight valves and some of the others were optimized for traveling though black holes! Betcha you had enough of the clacking huh :D
WWPD.
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Re: FJR Engine Forensic Analysis

Post by Full House » Fri Dec 21, 2018 4:59 pm

Ray I am trusting that you have had that "laser" measuring device calibrated lately?? lol By the way, I did not think that there was much carbon build up, I am comparing to automotive heads and valves that I used to redo. Remember the old V8 Chevys? That was carbon build up!
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Re: FJR Engine Forensic Analysis

Post by Hppants » Fri Dec 21, 2018 7:13 pm

Who here remembers that famous "Quaker State Cake" that found its way into the intake of every single GM V8?
"I guess it comes down to a simple choice, really. Get busy living. Or get busy dying."
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Re: FJR Engine Forensic Analysis

Post by raYzerman » Fri Dec 21, 2018 9:18 pm

Mr Carver, what did you use to clean up yer piston tops..... or the head, if you did it (I think you got an engine instead). Full House, yes car engines tended to have lots of ring ridge and carbon.. did you ever clean them and with what.... scraper and mechanical wire wheel, or ?? Oh no, I don't calibrate those devices, I just get new ones..... bought two the other day as a matter of fact, LOL, Stanley 25' and 16'. They were on sale for C$3.99, that's about a buck Merican, LOL
Keep yer stick on the ice........... (Red Green)
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Re: FJR Engine Forensic Analysis

Post by raYzerman » Fri Dec 21, 2018 10:25 pm

bungie4 wrote:
Fri Dec 21, 2018 2:17 pm
raYzerman wrote:
Fri Dec 21, 2018 1:50 pm
Collective Soul one of my favourite bands!! It was a good day. NC80 south of BRP is real tight, hairpinny and downhill. Funner coming back uphill. Almost too technical if there is such a thing. On 215 at least you can get up some speed. All in striking distance of EOM MV.
FItter has video of part of 80... remember all the Ferrari's, then the one that bounced off the guardrail... sec.. I have to go find it.. Dead Ferrari in the video.. I still can't get over how far he kept going after making contact with the armco.
I was going to mention the Ferraris, that guy went 300 feet without a left front wheel, then just after the dirt & armco, around the next hairpin (blind) there was a long lineup of Ferraris and one dork had pulled out into our lane, road was real narrow, no room between him and the armco.... Fitter edited it out, my brakes were on the verge of ABS kicking in. But, I'll never forget that ride, it was a great day!
Keep yer stick on the ice........... (Red Green)
Duct tape can't fix stupid, but it can sure muffle the sound.

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Re: FJR Engine Forensic Analysis

Post by wheatonFJR » Fri Dec 21, 2018 10:57 pm

raYzerman wrote:
Fri Dec 21, 2018 10:25 pm
bungie4 wrote:
Fri Dec 21, 2018 2:17 pm
raYzerman wrote:
Fri Dec 21, 2018 1:50 pm
Collective Soul one of my favourite bands!! It was a good day. NC80 south of BRP is real tight, hairpinny and downhill. Funner coming back uphill. Almost too technical if there is such a thing. On 215 at least you can get up some speed. All in striking distance of EOM MV.
FItter has video of part of 80... remember all the Ferrari's, then the one that bounced off the guardrail... sec.. I have to go find it.. Dead Ferrari in the video.. I still can't get over how far he kept going after making contact with the armco.
I was going to mention the Ferraris, that guy went 300 feet without a left front wheel, then just after the dirt & armco, around the next hairpin (blind) there was a long lineup of Ferraris and one dork had pulled out into our lane, road was real narrow, no room between him and the armco.... Fitter edited it out, my brakes were on the verge of ABS kicking in. But, I'll never forget that ride, it was a great day!
Who all was in your group that day? Were Rob and Moosehead with you? Johnd?

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Re: FJR Engine Forensic Analysis

Post by raYzerman » Sat Dec 22, 2018 8:04 am

Was not either of those two, and I honestly can't remember who else. I also didn't recall being the leader, I thought bungie was...
Keep yer stick on the ice........... (Red Green)
Duct tape can't fix stupid, but it can sure muffle the sound.

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Re: FJR Engine Forensic Analysis

Post by Full House » Sat Dec 22, 2018 9:03 am

raYzerman wrote:
Fri Dec 21, 2018 9:18 pm
Mr Carver, what did you use to clean up yer piston tops..... or the head, if you did it (I think you got an engine instead). Full House, yes car engines tended to have lots of ring ridge and carbon.. did you ever clean them and with what.... scraper and mechanical wire wheel, or ?? Oh no, I don't calibrate those devices, I just get new ones..... bought two the other day as a matter of fact, LOL, Stanley 25' and 16'. They were on sale for C$3.99, that's about a buck Merican, LOL
Ref: after disassembly, valves went into tumbler with metal balls in cleaning solution, cylinder heads went into heated spray cabinet along with all small parts. Beadblasting finished up cleaning and gave that frosted look customers liked.
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Re: FJR Engine Forensic Analysis

Post by bungie4 » Sat Dec 22, 2018 9:25 am

raYzerman wrote:
Sat Dec 22, 2018 8:04 am
Was not either of those two, and I honestly can't remember who else. I also didn't recall being the leader, I thought bungie was...
Huron52 was there, the others I don't recall.
WWPD.
#SnowMexican
Note: The FJR1300ES offers a significant level of power & performance. It is not intended for novice or inexperienced riders.
Choo choo mf'r.

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Re: FJR Engine Forensic Analysis

Post by philharmonic » Sat Dec 22, 2018 9:27 am

raYzerman wrote:
Fri Dec 21, 2018 1:50 pm
Collective Soul one of my favourite bands!! It was a good day. NC80 south of BRP is real tight, hairpinny and downhill. Funner coming back uphill. Almost too technical if there is such a thing. On 215 at least you can get up some speed. All in striking distance of EOM MV.
I was coming down NC80 with a Combi Camp trailer behind me playing Joe Racer when my brakes overheated and disappeared . It doesn't get any dumber that.

Replace your brake fluid, often. LOL
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Re: FJR Engine Forensic Analysis

Post by wheatonFJR » Sat Dec 22, 2018 9:30 am

Sorry I effed up your thread, I'm still interested in your conclusions and seeing the bike get put back together.

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Hack
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Re: FJR Engine Forensic Analysis

Post by Hack » Sat Dec 22, 2018 10:58 am

Full House wrote:
Sat Dec 22, 2018 9:03 am
Ref: after disassembly, valves went into tumbler with metal balls in cleaning solution,
This is the sort of thing I was thinking... I use a tumbler and a stainless steel media, ten's of thousands of tiny stainless steel pins that slosh around suspended in a solution of simple tap water and dish soap.
I drank what..?
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Re: FJR Engine Forensic Analysis

Post by raYzerman » Sat Dec 22, 2018 12:06 pm

wheatonFJR wrote:
Sat Dec 22, 2018 9:30 am
Sorry I effed up your thread, I'm still interested in your conclusions and seeing the bike get put back together.
Come now, you're no threadshitter and everybody knows it. All good, this is just the forensic what went wrong thread... we'll get on with the rebuild in the other thread.

Hmmm, thanks guys, I don't have a tumbler or media blaster... automotive suppliers had all kinds of them and vapour honing things, injection molders blast their dies with starch, dry ice, etc... I think a dry ice blaster would work on carbon quite well.
Bust and wheatonFJR loved this
Keep yer stick on the ice........... (Red Green)
Duct tape can't fix stupid, but it can sure muffle the sound.

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Re: FJR Engine Forensic Analysis

Post by Hack » Sat Dec 22, 2018 4:27 pm

raYzerman wrote:
Sat Dec 22, 2018 12:06 pm
Hmmm, thanks guys, I don't have a tumbler

You're more than welcome to try mine...
I'd run the valves one at a time though so they don't knock around against each other. I imagine they're quite hard so...
I drank what..?
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Re: FJR Engine Forensic Analysis

Post by Bounce » Sat Dec 22, 2018 5:58 pm

Walnut shell in a tumbler and a good rinse after?

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Re: FJR Engine Forensic Analysis

Post by Festus » Sat Dec 22, 2018 9:04 pm

Lacquer thinner and a soft wire brush will cut the carbon. I personally wouldn’t tumble them.

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Re: FJR Engine Forensic Analysis

Post by NTXFJR » Sat Dec 22, 2018 11:05 pm

How about carburetor cleaner and a soft brush? Never tried it on pistons but it worked great on my M16 chamber and bolt many years ago. (It's hell on blueing though so didn't dare leave it on too long)
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Re: FJR Engine Forensic Analysis

Post by raYzerman » Sun Dec 23, 2018 11:44 am

I'm not thinking of tumbling them, but an appropriate solvent and brush or light scraping with a wood/plastic scraper (pistons), then ideally a walnut shell blast. Will try some lab grade Xylene and Toluene (component of lacquer thinner) and possibly I have some lacquer thinner. Mostly the soak I'm doing now is using mild solvents and from what I read on the interweb, will be ineffective but I will let them stew for a few days more. Physical cleaning is the best of course. Digging into MSDS sheets has been interesting.
Keep yer stick on the ice........... (Red Green)
Duct tape can't fix stupid, but it can sure muffle the sound.

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Re: FJR Engine Forensic Analysis

Post by ionbeam » Sun Dec 23, 2018 11:51 am

Lacquer thinner is what my hotrod buds say works, along with some brushing. Why wouldn't Ringfree work? It's highly concentrated but supposed to work with higher temperatures.

One of my tasks at work is Keeper of MSDS documents for everything we buy and use. They are out to get us ;) If city water came with a MSDS I suspect nobody would drink it.

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Re: FJR Engine Forensic Analysis

Post by John d » Sun Dec 23, 2018 1:50 pm

If you don't know which piston goes in which hole and the original orientations, your SOL in my opinion. Hopefully all the parts got marked somehow. Otherwise, you would need minimum new rings, and a way to hone the ceramic coated bores.

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