74 TR5 MX Project For Ken

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Re: 74 TR5 MX Project For Ken

Post by johnu » Wed May 20, 2020 1:17 am

Moving forward slowly, got the brake pedal done. Side panels next.
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Re: 74 TR5 MX Project For Ken

Post by johnu » Fri May 22, 2020 12:17 am

Still moving forward at what seems like snail pace <201 I got both of the side panels mostly done today, welding mounting brackets on tomorrow. My biggest issue right now is that I really need to get started building the wheels up but I have been unable to source gold alloy dimpled rims. I have the color scheme all worked out for this bike and it needs the gold rims. The only ones I can find are Sun non dimpled rims and the are way expensive. I thought I was going to be able to get Excels but there are none available in gold. I am going to use a 1980 Y*maha 465 front hub as it has 36 holes compared to the original 40 hole hub.
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Re: 74 TR5 MX Project For Ken

Post by minetymenace » Fri May 22, 2020 10:18 am

Have you considered getting bare rims with dimples and getting them annodised?
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Re: 74 TR5 MX Project For Ken

Post by FranktheWelder » Sat May 23, 2020 1:39 am

That side panel came out nice!
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Re: 74 TR5 MX Project For Ken

Post by johnu » Thu May 28, 2020 12:38 am

Working on the airbox today. Still putting off starting the gas tank :mrgreen: Think I'm going to bite the bullet on the gold Sun rims even though they are non dimpled, that way I can still use the original front hub so will be eligable for AHRMA.
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Re: 74 TR5 MX Project For Ken

Post by johnu » Thu Jun 04, 2020 12:47 am

Front hub not looking too good:( May just smooth it out or get it built up with weld then stick it in the lathe.
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Re: 74 TR5 MX Project For Ken

Post by johnu » Tue Jun 30, 2020 1:41 am

Well it's not much but I got the swingarm finished with the chain guide and chain wearstrip sorted. I really need to get the wheels built so I can get rear mudguard position determined then I can make the seat to suit.
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Re: 74 TR5 MX Project For Ken

Post by johnu » Thu Jul 02, 2020 7:32 pm

Well I was able to repair my front hub using my brand new tig welder. First time trying to weld cast ally with tig, well I've actually done very little tig work ever. Finished part looks ok, it looked like a pigeon crapped on it before maching :lol: When it's painted black should look pretty good I think.
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Re: 74 TR5 MX Project For Ken

Post by beat » Thu Jul 02, 2020 8:09 pm

:thumb :thumb :thumb

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Re: 74 TR5 MX Project For Ken

Post by johnu » Fri Jul 03, 2020 10:01 pm

Hub came out pretty good.
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Re: 74 TR5 MX Project For Ken

Post by johnu » Fri Jul 03, 2020 11:26 pm

Also made a points cover. Just need to engrave it and get some countersunk or pan head screws. Anyone know what thread the screws are?
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Re: 74 TR5 MX Project For Ken

Post by mlb50 » Sat Jul 04, 2020 2:36 am

I think the points cover screws are 2BA.
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Re: 74 TR5 MX Project For Ken

Post by minetymenace » Sun Jul 05, 2020 10:31 pm

yep, 2BA
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Re: 74 TR5 MX Project For Ken

Post by johnu » Thu Jul 16, 2020 1:06 am

Getting ready to start fabbing the tank up. Bought half a sheet of 3003 0.063" ally. Also bought a small cheap ($125) english wheel from Home Cheapo and as a lot of the reviews said it is rubbish and unusable due to misalignment of top and bottom rollers totally crap tolerance on moving parts. However for that price it comes with a full set of dies so that in itself is a bargain. I am modifying the frame and getting everything lined up then I'll be ready to start forming! Here is first attempt on a small piece of scrap, works a treat. Never used an english wheel before.
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Re: 74 TR5 MX Project For Ken

Post by beat » Thu Jul 16, 2020 8:05 pm

johnu wrote:
Thu Jul 16, 2020 1:06 am
Also bought a small cheap ($125) english wheel from Home Cheapo
very interesting :!: :!:

like to se your progress.

Beat :thumb

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Re: 74 TR5 MX Project For Ken

Post by johnu » Sat Jul 18, 2020 1:21 am

Sun rims and spoke kits showed up from Buchanans today :thumb I was wary about ordering them as it was a $900 purchase but this is top shelf kit. Just need to do a proper job of building them up, don't want any trouble when I'm landing the 80ft triple :mrgreen:
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Re: 74 TR5 MX Project For Ken

Post by johnu » Thu Jul 30, 2020 12:48 am

Front laced and trued.
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Re: 74 TR5 MX Project For Ken

Post by koncretekid » Sat Aug 01, 2020 12:54 am

One thing you need to be aware of is that Buchanans always include a slip of paper that seems to indicate "80 in-lbs" torque may be required for heavy bikes. I don't think that's necessary, but if you call them, they will tell you the correct torque for your application.
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Re: 74 TR5 MX Project For Ken

Post by johnu » Sat Aug 01, 2020 12:59 am

Rear wheel laced and trued. Probably should get back on the gas tank!
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Re: 74 TR5 MX Project For Ken

Post by johnu » Sat Aug 01, 2020 1:33 am

koncretekid wrote:
Sat Aug 01, 2020 12:54 am
One thing you need to be aware of is that Buchanans always include a slip of paper that seems to indicate "80 in-lbs" torque may be required for heavy bikes. I don't think that's necessary, but if you call them, they will tell you the correct torque for your application.
Tom
Thanks Tom, I did a little research and settled on 35 in-lbs. My KTM's are 6nm which is almost twice as much but those hubs and spokes are really stout. Will check them after the first ride.
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Re: 74 TR5 MX Project For Ken

Post by johnu » Tue Aug 04, 2020 1:32 am

One side of my tank mostly done.
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Re: 74 TR5 MX Project For Ken

Post by beat » Tue Aug 04, 2020 8:48 pm

:thumb :thumb :thumb

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