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TOPIC: Bultaco 143 Frontera 360

Bultaco 143 Frontera 360 02 Oct 2018 13:48 #31

  • mdscott
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GFot a quote from www.mxrestoration.com/
To restore my Fox Shocks, opinions
I can sell them on ebay for about $150

"Around $400 with new shafts. That’s for the shocks restored to fully functional and new appearance. Thanks"

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Thanks Mark
Roseville, Ca.

'76 Bultaco 143 Frontera
07 DL650
74 DT360
75 Norton
73 CB500K
63 C200
87 PW50
64 McClane Edger

Bultaco 143 Frontera 360 03 Oct 2018 20:28 #32

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tried out my new Harbor Freight $99 welder, making bracket to hold the center stand spring.

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Thanks Mark
Roseville, Ca.

'76 Bultaco 143 Frontera
07 DL650
74 DT360
75 Norton
73 CB500K
63 C200
87 PW50
64 McClane Edger

Bultaco 143 Frontera 360 12 Oct 2018 19:20 #33

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Got the cylinder back from machinist, bore plus groves cut on top of cylinder surface, helps keep the combustion pressure where its suppose to be. The engine doesn't use a head gasket.

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Thanks Mark
Roseville, Ca.

'76 Bultaco 143 Frontera
07 DL650
74 DT360
75 Norton
73 CB500K
63 C200
87 PW50
64 McClane Edger

Bultaco 143 Frontera 360 12 Oct 2018 20:52 #34

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You're going to lap the head correct?

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Question authority, think for yourself!

Bultaco 143 Frontera 360 13 Oct 2018 01:56 #35

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mdscott wrote: Got the cylinder back from machinist, bore plus groves cut on top of cylinder surface, helps keep the combustion pressure where its suppose to be. The engine doesn't use a head gasket.


Just a little bit of info but if you look at the head closely you see the number 112 denoting a Bultaco Model 112 which is a Pursang 360. If I'm not mistaken Bultaco put those numbers on alot if not all their heads to identify it. Kinda a neat bit to know.

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Bultaco 143 Frontera 360 13 Oct 2018 08:20 #36

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Good info, Yamahahaha,
yes Scootern29, will be lapping the head.

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Thanks Mark
Roseville, Ca.

'76 Bultaco 143 Frontera
07 DL650
74 DT360
75 Norton
73 CB500K
63 C200
87 PW50
64 McClane Edger

Bultaco 143 Frontera 360 13 Oct 2018 17:51 #37

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She's a Peach !

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Bultaco 143 Frontera 360 13 Oct 2018 18:29 #38

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Making a little progress, tried out my new harbor freight welder, rear tire came, center stand in.

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Thanks Mark
Roseville, Ca.

'76 Bultaco 143 Frontera
07 DL650
74 DT360
75 Norton
73 CB500K
63 C200
87 PW50
64 McClane Edger

Bultaco 143 Frontera 360 14 Oct 2018 20:04 #39

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top end on.

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Thanks Mark
Roseville, Ca.

'76 Bultaco 143 Frontera
07 DL650
74 DT360
75 Norton
73 CB500K
63 C200
87 PW50
64 McClane Edger

Bultaco 143 Frontera 360 16 Oct 2018 20:01 #40

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Going to doing fiberglass repairs tomorrow.

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Thanks Mark
Roseville, Ca.

'76 Bultaco 143 Frontera
07 DL650
74 DT360
75 Norton
73 CB500K
63 C200
87 PW50
64 McClane Edger
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