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Makotosun

Yet another DT400 project,the Super DT400.

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Replied by Bigdog302 on topic Re:Yet another DT400 project,the Super DT400.

thanks Bluntz! I plan to braze this crack on the rear fender. :OnFire
2 1968 DT1s,1970 RT1M,1970 DT1C,1971 RT1B,1971 Honda Z50K2,1974 DT100A 1974DT250A,1974 Honda MT250,2 1975 DT400Bs,1975 Honda CR250M1,1978 DT175E,1979 Honda CR250R.
Dave
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24 Oct 2015 12:05 #171

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Replied by bluntz465 on topic Re:Yet another DT400 project,the Super DT400.

Well good luck with that,the old guys used lead to repair damages on compound curves in sheet metal as the heat from a torch tended to distort it and change the curve length.
1957 Cushman Eagle 1969 Honda 90 ATC 1969 Honda CB250
1973 Yamaha AT3 1974 Kawasaki KH440 1974 Honda XR75
1975 Suzuki TS75 1975 Kawasaki GreenStreak 90 1975 Suzuki GT550
1975 Suzuki TS250 1976 Suzuki GT550 1976 Indian Chief
1976 Yamaha YZ80 1978 Yamaha IT175 1980 Suzuki GS550
1982 Yamaha IT465J
24 Oct 2015 14:12 #172

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Replied by Bigdog302 on topic Re:Yet another DT400 project,the Super DT400.

here is a little update. right now I do not have a functioning camera so I need to pick one up.

here is some parts I got last month and some for this month.

last month's parts collection. mostly a few needed odds and ends.

extra hold down nut and special washer for the fuel tank.


front brake cable for the Super DT400. right now I am borrowing the front wheel and brake and cable from the stock DT400.


tail light dampener


tail light cord assembly.


speedometer cable retainer clip.


front brake shoes.
2 1968 DT1s,1970 RT1M,1970 DT1C,1971 RT1B,1971 Honda Z50K2,1974 DT100A 1974DT250A,1974 Honda MT250,2 1975 DT400Bs,1975 Honda CR250M1,1978 DT175E,1979 Honda CR250R.
Dave
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04 Dec 2015 19:28 #173

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Replied by Bigdog302 on topic Re:Yet another DT400 project,the Super DT400.

this month's parts.
front wheel assembly.


the remaining tail light dampener.


following Lisa's lead, a 1975 MX400B pipe assembly. at last I can have a true baseline with the correct pipe installed.
2 1968 DT1s,1970 RT1M,1970 DT1C,1971 RT1B,1971 Honda Z50K2,1974 DT100A 1974DT250A,1974 Honda MT250,2 1975 DT400Bs,1975 Honda CR250M1,1978 DT175E,1979 Honda CR250R.
Dave
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04 Dec 2015 19:33 #174

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Replied by Bigdog302 on topic Re:Yet another DT400 project,the Super DT400.


I am going to use a small torch and the brazing rod has a low melting point. the small torch I use does not heat so much it would distort the fender. I might also consider the lead as it is easy to do.

I need to get the right primers and paint then I can do all the crystal silver parts then I will work on the competition yellow parts Lord willing.
2 1968 DT1s,1970 RT1M,1970 DT1C,1971 RT1B,1971 Honda Z50K2,1974 DT100A 1974DT250A,1974 Honda MT250,2 1975 DT400Bs,1975 Honda CR250M1,1978 DT175E,1979 Honda CR250R.
Dave
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04 Dec 2015 19:39 #175

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Replied by Bigdog302 on topic Re:Yet another DT400 project,the Super DT400.

I used my Go Pro camera to take still images so forgive me for the image quality. it takes ok pictures and it is 12 megapixel on still shots.

still images is really not it's forte though.

this is the MX400B pipe and it made it's way here. it has a few dents but they look repairable.

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2 1968 DT1s,1970 RT1M,1970 DT1C,1971 RT1B,1971 Honda Z50K2,1974 DT100A 1974DT250A,1974 Honda MT250,2 1975 DT400Bs,1975 Honda CR250M1,1978 DT175E,1979 Honda CR250R.
Dave
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11 Dec 2015 12:10 #176

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Is the mx400b pipe going to add more to the bikes power? Looks like Christmas is coming early for you. :haha
11 Dec 2015 12:43 #177

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Replied by Bigdog302 on topic Re:Yet another DT400 project,the Super DT400.

not quite 100 percent sure on that but at least I can set it up as a MX400B. this remains to be seen.

I have to avoid the temptation of not fixing the throttle to where it would open all the way to wide open throttle so I can make a fair comparison.

but then I could fix the throttle first before putting the pipe on. :EEEK

if it is this lively at 3/4 throttle, I can't quite imagine 100 percent throttle. :Excited

might want to fix the clutch before I get too crazy. it already makes a mockery of the stock DT400 clutch, especially 3rd gear and beyond.

a Barnett Kevlar clutch kit is in the plans.


after the clutch upgrade I will need this too.
2 1968 DT1s,1970 RT1M,1970 DT1C,1971 RT1B,1971 Honda Z50K2,1974 DT100A 1974DT250A,1974 Honda MT250,2 1975 DT400Bs,1975 Honda CR250M1,1978 DT175E,1979 Honda CR250R.
Dave
Jesus is Lord!
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Last edit: 25 Dec 2015 17:59 by Bigdog302.
11 Dec 2015 12:51 #178

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Replied by Bigdog302 on topic Re:Yet another DT400 project,the Super DT400.

A little update. I got the new FMF silencer and a few other little odds and ends.

I got a TTO temp gauge, a foot peg for the other DT400B.

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as for the Silencer I plan to use it with this MX400B pipe.

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here is a small video of the silencer being tested. I used it on the existing Hooker pipe. temperature was around the mid 30's instead of 25 degrees as I said in the video.
2 1968 DT1s,1970 RT1M,1970 DT1C,1971 RT1B,1971 Honda Z50K2,1974 DT100A 1974DT250A,1974 Honda MT250,2 1975 DT400Bs,1975 Honda CR250M1,1978 DT175E,1979 Honda CR250R.
Dave
Jesus is Lord!
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12 Jan 2016 07:05 #179

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Bike looks and sounds great!
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12 Jan 2016 07:31 #180

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