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How do I repair broken Chin Fairing

Started by Sparky84, May 25, 2019, 11:39:19 PM

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Sparky84

On a recent trip, my chin fairing which had a small crack has now gone so far so it's broken now.

Do I try to plastic weld it or use some construction adhesive with fine mesh on the back or will it just keep breaking?  :dash1:

1984 FJ1100
1979 Kawasaki Z1300
1972 Honda CB750/4 K2

FJmonkey

The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side

Sparky84

1984 FJ1100
1979 Kawasaki Z1300
1972 Honda CB750/4 K2

Troyskie

Quote from: Sparky84 on May 26, 2019, 12:02:29 AM
Quote from: FJmonkey on May 25, 2019, 11:47:58 PM
Wait for it..... :bomb:
:lol:

Should I add that I'm using 10/40w oil

Unless I'm mistaken, both sides need love.

Try rubber bands, magic and waffle dust. :wacko2:

Or Plasti Fix. Worked for me, but you do need to do the paper clip trick, or mesh on the back.

Troyskie
1984 FJ1100 Ms Effie brand new :)
1984 FJ1100 Pearlie, stock as.
1985 FJ1100 Mr Effie 647,000K and still running hard.
1985 FJ1200 'Yummy' takes a licking & keeps on ticking
2013 Trumpy Tiger 800, let's do another lap of Oz

After all is said and done, more is said than done :)

Sparky84

Quote from: Troyskie on May 26, 2019, 12:12:15 AM

Unless I'm mistaken, both sides need love.

Try rubber bands, magic and waffle dust. :wacko2:

Or Plasti Fix. Worked for me, but you do need to do the paper clip trick, or mesh on the back.

Troyskie
Other side is OK, just doesn't look it.

Where is Oz do you get the Plasti Fix, everywhere seems to be overseas and doesn't ship to here!

1984 FJ1100
1979 Kawasaki Z1300
1972 Honda CB750/4 K2

giantkiller

I use plastex. It comes with a reusable mold making rubber bar just heat it up in hot water. Great stuff. Plastic powder. With a chemical that melts it into the plastic of the chin spoiler. Just use fiber glass cloth to reinforce It on the back side.put plastic powder on both sides of the fiberglass cloth and it's inside the plastic.if you do it right you will hardly see the crack. the front. You can even fill in missing pieces
86 fj1350r
86 fj1380t turbo drag toy (soon)
87 fj1200 865 miles crashed for parts
89 fj1200 touring 2up
87 fzr1000 crashed
87 fzr750r Human Race teams world endurance champion
93 fzr600 Vance n hines ltd for sale
Custom chopper I built
Mini chopper I built for my daughter just like the big 1

krusty

Quote from: Sparky84 on May 25, 2019, 11:39:19 PM
On a recent trip, my chin fairing which had a small crack has now gone so far so it's broken now.

Do I try to plastic weld it or use some construction adhesive with fine mesh on the back or will it just keep breaking?  :dash1:


I've heard of Lego soaked in acetone (or paint thinner) then used like bog (bondo) with the paper clip reinforcement. I've havent tried it.
As a keen windsurfer I bought myself and electric rope cutter, kinda like a soldering iron with a narrow blade that gets red hot. These can easily be used be used to do the paper clip repair. Again, I haven't tried it yet but will soon as I have some FJ11 plastics that need repair.
91 FJ1200
84 FJ1100 x 2
85 FJ1100
89 GL1500
76 CB750F1
72 CB350F
63 C92 x 2
59 C76
62 C100
63 C100
60 Colleda 250TA x 3
63 Suzuki MD50
77 DT125E
77 DT175E x 2
79 DT250F

Tuned forks

Rick, calling Rick.  Please come to the white courtesy phone.  :biggrin:

Joe
1990 FJ1200-the reacher
1990 FZR 1000-crotch rocket

ZOA NOM

Rick

Current:
2010 Honda VFR1200 DCT (Full Auto!)
1993 FJ/GSXR 1200 (-ABS)
1987 Porsche 911 Carrera (Race)
1988 Porsche Carrera (Street)
Previous:
1993 FJ1200 (FIREBALL)
1993 FJ1200ABS (RIP my collar bone)
1986 FZ750
1984 FJ600
1982 Seca

T Legg

Rick I bought the professional size plastifix kit that came with a booklet on how to use it but it doesn't say how long for it to cure.will it cure overnight?I have to repair my front fender tabs before the WCR.
T Legg

ZOA NOM

I always let it cure overnight. It gets hard enough to grind within an hour or so, but I leave it alone.
Rick

Current:
2010 Honda VFR1200 DCT (Full Auto!)
1993 FJ/GSXR 1200 (-ABS)
1987 Porsche 911 Carrera (Race)
1988 Porsche Carrera (Street)
Previous:
1993 FJ1200 (FIREBALL)
1993 FJ1200ABS (RIP my collar bone)
1986 FZ750
1984 FJ600
1982 Seca

giantkiller

Just watched the plastifix video.looks to be the same product as plastex. You can just groove out the back side. And fill.with the plastex/plastifix. You can use the dropper method. Or just fill the crack with powder and allow it to pool around the crack and wet it down with the liquid. Then while it's still wet add fine fiberglass cloth. From hobby shop. Add some more powder over the fiberglass and make sure it's wet again. Then you have a fiberglass reinforced repair. And the paint side will only have a hairline crack in the paint. I've done lot's of repairs with plastex this way and haven't had one open up yet.

I only use the fiberglass If it's a high stress area. Other wise I just fill the back side with plastex. And haven't had any of these fail either.
I bought  large quantities of plastex. About quart size of each and extra molding bars. Been several years since I bought the shop sized containers. Should last me a while.
86 fj1350r
86 fj1380t turbo drag toy (soon)
87 fj1200 865 miles crashed for parts
89 fj1200 touring 2up
87 fzr1000 crashed
87 fzr750r Human Race teams world endurance champion
93 fzr600 Vance n hines ltd for sale
Custom chopper I built
Mini chopper I built for my daughter just like the big 1

giantkiller

Just checked the plastex website. Prices have gone up since I bought mine.(back in 2013) But now they have polyethylene repair too.
With plastex you aren't limited to a kit. You can buy all the components separate. Get refills. get accessories.
I'm not a salesman. Just want to share something that I found with everyone.  Because it's so easy and it works
86 fj1350r
86 fj1380t turbo drag toy (soon)
87 fj1200 865 miles crashed for parts
89 fj1200 touring 2up
87 fzr1000 crashed
87 fzr750r Human Race teams world endurance champion
93 fzr600 Vance n hines ltd for sale
Custom chopper I built
Mini chopper I built for my daughter just like the big 1

giantkiller


Here is a picture of a scoop most of what is black was missing. Took a mold from a good scoop and built it up with plastex. Can be sanded with sandpaper.
86 fj1350r
86 fj1380t turbo drag toy (soon)
87 fj1200 865 miles crashed for parts
89 fj1200 touring 2up
87 fzr1000 crashed
87 fzr750r Human Race teams world endurance champion
93 fzr600 Vance n hines ltd for sale
Custom chopper I built
Mini chopper I built for my daughter just like the big 1

giantkiller


And the back side reinforced with fiberglass.
86 fj1350r
86 fj1380t turbo drag toy (soon)
87 fj1200 865 miles crashed for parts
89 fj1200 touring 2up
87 fzr1000 crashed
87 fzr750r Human Race teams world endurance champion
93 fzr600 Vance n hines ltd for sale
Custom chopper I built
Mini chopper I built for my daughter just like the big 1