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1974 DT360 Disassembly and Restoration

25 Aug 2019 20:34 25 Aug 2019 20:53 by pabdt.
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1974 DT360 Disassembly and Restoration #1
I am going to be posting as I work on this bike. This I think is the worse part of the bike, the electrical, lighting.
I guess he needed to weight the bike for balance with all those washers and love the chip of wood he used to space things out under the speedo.

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Prev owner a bit heavy handed w/wire cuttters. Switch appears buffable,hopefully serviceable , key#1726

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The gauges, not for a 74, appear to have case, glass and rims that look reusable. Not sure about internals. DEET, your thoughts?

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Left hand switch not from a 74:

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Headlight not from a 74 but which bike was green? The inner part of the shell is green also.

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74 DT 125 #2
74 DT 125 #1 Sold 1977
74 DT 360
05 CRF 450R
18 R1
02 Z06 N/A 648RWHP
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25 Aug 2019 20:59 25 Aug 2019 21:00 by darinm.
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1974 DT360 Disassembly and Restoration #2
I'd assumed the bucket was from a 1970 CT1.

1972 Yamaha CT2 175
1972 Suzuki TS 185 Sierra
2006 Yamaha XT225

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25 Aug 2019 23:41
Gr8uncleal
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1974 DT360 Disassembly and Restoration #3
Or bucket could be DT3?

Left hand switch definitely RT2, RT3 + about a dozen or so of the other Yamaha trail bikes (enduros) of that era. The YHA 205 carcass was used in differing forms by most Yamahas of that era. You should get quite good money if and when you want to sell it.

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26 Aug 2019 07:43
DEET
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1974 DT360 Disassembly and Restoration #4
The parts you show look like they are for pre-1974 bikes... not yours.
The gauges look bad. The one with a screwdriver in it probably cannot be repaired if the connector is loose.

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Where the Yamaha Enduro is still a current model...

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26 Aug 2019 22:51 26 Aug 2019 23:02 by pabdt.
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1974 DT360 Disassembly and Restoration #5
Can someone ID this carb. The guy had no idea what it was. It looks rather new...I'll probably replace it with a stock one.

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How does this work? There was an intact cable to the rear top of the engine.

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Engine does not look bad. No scarring, but low compression 100psi static.
Enduronut, whats your schedule look like. Looks like a bore, piston and rings. Still need to check the crank play, etc.

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74 DT 125 #2
74 DT 125 #1 Sold 1977
74 DT 360
05 CRF 450R
18 R1
02 Z06 N/A 648RWHP

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26 Aug 2019 23:59
Gr8uncleal
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1974 DT360 Disassembly and Restoration #6
Re the carb, we'll need a clear photo of all the numbers/letters stamped on it in order to id it.

The item above the exhaust mounts is the decompression valve. The valve should be open when kick starting the bike to reduce the chances of a nasty kickback.

On the DT360A onwards it is linked by cable to the kick start. Once you re-attach it, push gently on the kick start and you should see the cable open the valve. On the earlier RT2 and RT3 the cable was opened manually via a lever on the 'bars.

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27 Aug 2019 00:41 27 Aug 2019 00:46 by pabdt.
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1974 DT360 Disassembly and Restoration #7

Gr8uncleal wrote: Re the carb, we'll need a clear photo of all the numbers/letters stamped on it in order to id it.

The item above the exhaust mounts is the decompression valve. The valve should be open when kick starting the bike to reduce the chances of a nasty kickback.

On the DT360A onwards it is linked by cable to the kick start. Once you re-attach it, push gently on the kick start and you should see the cable open the valve. On the earlier RT2 and RT3 the cable was opened manually via a lever on the 'bars.


Look closely at the first photo. 320 33 or that may be the jetting. there are no other numbers on it. VM32-33
32mm.

74 DT 125 #2
74 DT 125 #1 Sold 1977
74 DT 360
05 CRF 450R
18 R1
02 Z06 N/A 648RWHP

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27 Aug 2019 05:38
Gr8uncleal
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1974 DT360 Disassembly and Restoration #8
I think that the 320 might indicate a Suzuki fitment (GT550 is 340 and GT380 is 330). The markings are close to what you might expect for a TS400 Apache, but I'm guessing a bit really and so will shut up!
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27 Aug 2019 17:18
pabdt
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1974 DT360 Disassembly and Restoration #9
Ahh. Suzuki. I noted the throttle cable was bound against the exhaust. Looks like I'll have to sell it.

74 DT 125 #2
74 DT 125 #1 Sold 1977
74 DT 360
05 CRF 450R
18 R1
02 Z06 N/A 648RWHP

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27 Aug 2019 23:52
Gr8uncleal
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1974 DT360 Disassembly and Restoration #10
There's one on ebay at the moment and the guy's asking lots of bucks for it! It would be great if someone could give a positive id for it before you sell.

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