RZ/RD 350 & Misc. 2-Stroke Tech BBS

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PostPosted: Sat Dec 31, 2011 2:11 pm 
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Joined: Tue Jul 07, 2009 12:45 am
Posts: 100
Location: West Bend, Wisconsin USA
Guys,
Over the past few months I have been building the tooling, engineering gaskets, and machining aluminum, to produce RZ350 primary, (right side), covers that have the ability to get to the clutch springs , and more importantly adjust the clutch release rod, without removing the complete primary cover, (2 hours work). Yamaha RZ's are probably the only engines ever produced that do not allow you to get to the clutch adjustment easily. Actually, Yamaha was going to stamp out the cover, but found that the engine would not past noise regs when they did. I did this project after finding Motion-Pro clutch cables that had different inner to outer lengths.
So, I built these for me, however, if anyone else would like one, email me at "image@alexssa.net", and I'll tell you how I can do your side cover. The cost will be $85.00 for anyone on the forum, $95.00 retail.
Brian
http://i1106.photobucket.com/albums/h36 ... G_0256.jpg
http://i1106.photobucket.com/albums/h36 ... G_0249.jpg
http://i1106.photobucket.com/albums/h36 ... G_0270.jpg
http://i1106.photobucket.com/albums/h36 ... G_0244.jpg
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http://i1106.photobucket.com/albums/h36 ... G_0226.jpg
http://i1106.photobucket.com/albums/h36 ... G_0242.jpg


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PostPosted: Sat Dec 31, 2011 2:43 pm 
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Joined: Mon Oct 31, 2011 3:19 pm
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Location: North Jersey, NJ
Nice job and the price is very reasonable too, especially if you're always tinkering with the clutch.


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PostPosted: Sat Dec 31, 2011 2:49 pm 
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Location: Southern Ontario, Canada
I used a hole saw and cut a hole big enough to adjust the clutch through and put a thin piece of gasket rubber behind the stock plastic cover to seal it. It hasn't leaked in 5 years, but doesn't allow spring access like yours does. Nice solution.


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PostPosted: Sat Dec 31, 2011 6:17 pm 
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Nice work.

I see a lot of guys buying (and making) clear clutch covers these days.

Any interest in doing that?


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PostPosted: Sun Jan 01, 2012 11:41 am 
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Joined: Sun Nov 23, 2008 2:22 pm
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Location: Livermore, CA
Very nice work Brian S.

Being on my second go round with a leaking "new" after market side cover gasket after replacing the clutch, this sure interests me.

Can you do this work to a powder coated side cover without damaging the finish to the powder coat?

I have 2 or 3 (can't remember) I had coated.

Also what Smoker asked, there be a clear cover available???

Thanks.

_________________
1983 rwb RZ350 Canadian stock (exc toomeys)
1985 rwb RZ350NC vm30,pods,porting,spec2 pipes
1985 yb RZ350 rat driver,fz/fzr parts,fox shock,vm30,pods,porting,toomeys
1985 RZ350 black? fz/fzr susp (on hold)
2 more RZ350 on hold
1985 RZ500 (in process)


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PostPosted: Sun Jan 01, 2012 12:18 pm 
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I'm in for a clear if you can go this route add well.

Nice work Brian :smt023

Pete


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 Post subject: Clear Covers ?
PostPosted: Sun Jan 01, 2012 2:14 pm 
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Location: West Bend, Wisconsin USA
Guys,
I'm only making the covers out of aluminum. There is no way you could make the covers out of GE Lexan, and come in at any decent price. The scrap rate would kill the price, and they do not seal as well, I already tried it. Just like if you want to remove the clutch, your better off going with the guy that does that for $300.00. This is a very easy fix for a "Blow-IT" by Yamaha. It takes a clutch cable / clutch spring change from a possibly 2 hour job down to 10 minutes, with a kit that is engineered as if it was OEM.
Thanks for considering it.
Brian


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PostPosted: Tue Jan 03, 2012 11:48 pm 
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Can you do this work to a powder coated side cover without damaging the finish to the powder coat?

I have 2 or 3 (can't remember) I had coated.

_________________
1983 rwb RZ350 Canadian stock (exc toomeys)
1985 rwb RZ350NC vm30,pods,porting,spec2 pipes
1985 yb RZ350 rat driver,fz/fzr parts,fox shock,vm30,pods,porting,toomeys
1985 RZ350 black? fz/fzr susp (on hold)
2 more RZ350 on hold
1985 RZ500 (in process)


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 Post subject: Machining & Paint Damage
PostPosted: Wed Jan 04, 2012 1:35 am 
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Location: West Bend, Wisconsin USA
I mount the primary cover on a special machined fixture, and hold it down by the original screw holes, so I never come in contact with the paint. If it was powder coated, I do use a very slight amount of WD40 to lube the cutter, but I could put a small amount of wax on the cutter instead. Please let me know when you send it, and I'll pay close attention to how I handle it. All my stuff is powder coated as well, I understand.
Brian


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PostPosted: Wed Jan 04, 2012 3:03 am 
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Image
Image
Image
Image
Image
Image
Image

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1 x 4mm stroker rz 375cc 1983
1 x 7mm stroker rz 443cc 1984 (under construction)
1 x rz 500
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PostPosted: Wed Jan 04, 2012 4:05 am 
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Joined: Mon Dec 28, 2009 12:02 am
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Location: Hartford, CT
Can you sell only the gasket kit and the aluminium cover so that guys can machine their covers and fit this.

I am in india, hence would not be able to send the side covers over.

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1984 RZ350 YPVS 31K
1987 RD350 A/C
2009 Husqvarna SM610


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PostPosted: Wed Jan 04, 2012 4:04 pm 
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Location: West Bend, Wisconsin USA
I can, if you are out of the country, and are able to handle the machining. Please email me at 'image@alexssa.net", so that we can figure out how to do it.
Thanks
Brian


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PostPosted: Wed Jan 04, 2012 5:16 pm 
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I might also be interested in just the gasket and cover if you make them available.

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89 RZ350 F2
90 RZ350 N2
85 RZ500
85 RZ500 Project Bike
87 RG250
88 RGV250
87 TZR250
86 NS400R
07 DL650


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PostPosted: Wed Jan 04, 2012 5:51 pm 
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Location: Sydney
I would be interested in a gasket if you make them available as i have a lexan cover id like to fit... :smt001

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My Projects:
Yamaha '85 RZ350 F1 & '83 RZ & KTMaha & RD Athena 421 LC & Honda MT250... See them all on www.2smoked.com

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PostPosted: Wed Jan 04, 2012 10:19 pm 
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Location: Hunter Valley,Australia
Brian,I like how you did your reasearch/testing into this.Even tho it is only a clutch cover,you did your homework. :smt023
I'd be up for a cover & gasket with the nylon slider.
Yet another reason to get that damn mill bolted to my garage floor,hey Jon....... :smt012


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