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post #1 of 64 (permalink) Old 08-09-2019, 08:08 PM Thread Starter
Grand Prix 250
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OK Basket Bike home now to I.D.

Frame # XC06944 T400R F4161

Motor43 2NI
Then inside the motor case 70-9035
Not seeing an engine plate, or raised area with an engine #

But on the Cylinder Head it has E695
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Last edited by 69Bonneville58; 08-09-2019 at 09:30 PM. Reason: more pictures
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post #2 of 64 (permalink) Old 08-09-2019, 08:54 PM
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Looks suspiciously like a T100, 500cc machine.

Rod
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post #3 of 64 (permalink) Old 08-09-2019, 09:04 PM Thread Starter
Grand Prix 250
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Thanks Rod, it's a bi*tch being a newbie
I had the frame numbers with me for a 69 650 Bonn
so when I seen these numbers it threw me off.
Now trying to figure it all out what I have and what I can do from here.
Thanks for the info
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post #4 of 64 (permalink) Old 08-09-2019, 10:08 PM
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I believe you are correct about it being a 69 but the model code T100R is for a 500cc Daytona.

Rod
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post #5 of 64 (permalink) Old 08-09-2019, 10:29 PM Thread Starter
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Thanks Redmoggy, it says T400r on the frame after the frame #
Any thoughts on the engine?

Thanks
Can take more pics tomorrow, allot missing
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post #6 of 64 (permalink) Old 08-10-2019, 12:49 AM
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Sorry, meant to add. Are you sure it is a four? you are obviously in a better position to see than me but Triumph never used T400 as a model code.

The engine number is in the same place as the 650's under the barrel flange on the left hand side but not on a raised plinth. It should be stamped onto a section that looks almost to have been milled flat. Not sure about the first number you posted but the second would be the part number for the case half your looking at.

Thats about the extend of my knowledge on 500's so hopefully someone else will pop along and be more helpful.

Rod
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post #7 of 64 (permalink) Old 08-10-2019, 01:19 AM
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Hi Pat,

Definitely a 500. Amplifying Rod's posts:-

Quote:
Originally Posted by 69Bonneville58 View Post
Frame # XC06944 T400R F4161
"XC06944" was part of the the second batch of '69 500's and 350's built from mid-December 1968 through to around the end of January 1969.

"T400R" should be "T100R" (the model code).

The flat area under the letters and numbers should be covered in tiny Triumph logos.

We could do with a close-up picture of the frame number area?

"F4161" is the 'part number' of the steering head lug - aside, the numbers you see in parts books are those of 'finished' parts, ready to bolt on a motorcycle; however, Meriden used the same pattern of letters and numbers for raw castings and to track work-in-progress.

Quote:
Originally Posted by 69Bonneville58 View Post
Not seeing
raised area with an engine #
Motor43 2NI
Uh-uh, not an engine number.

Original engine number would've matched the frame number, it was stamped on an area of the drive-side crankcase just under the cylinder block; on the 350/500, the area was machined flat, it was stamped all over with tiny Triumph logos.

Again, we could do with a close-up of the area.

Quote:
Originally Posted by 69Bonneville58 View Post
inside the motor case 70-9035
on the Cylinder Head it has E695
If they're raised, they're the original casting part numbers; if they're stamped but don't match the numbers of the corresponding parts in the '69 350/500 parts book, they're WIP numbers.

Quote:
Originally Posted by 69Bonneville58 View Post
Not seeing an engine plate,
If you mean the plates that mount the engine in the frame, they're loose on a 350/500, they bolt to lugs on both frame and engine.

If you decide to continue with the rebuild/restoration, much of what's been posted for you already still applies.

Not seeing any pictures apart from the one of the frame?

Hth.

Regards,

Stuart
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post #8 of 64 (permalink) Old 08-10-2019, 06:36 AM Thread Starter
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Thanks rod, the 43 2NI number is a plate tagged onto the motor casing and has a tiny lever centered on the plate.
I will look for the engine number when I get some light this morning
Thanks
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post #9 of 64 (permalink) Old 08-10-2019, 08:10 AM Thread Starter
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OK, getting somewhere.
The frame number though it looks to be T400, has a scratch across the T and the 1 making it look like a 4
So as Stuart says more than likely a T100, as he said Triumph didn't make a T400 frame.
There is a tag on the frame stating 1969 by Triumph stating the frame meets US specs.

Having measured the piston wall/bore (No pistons, it comes out to the dimensions for a E6899 for a 500 cc Engine.
Now onto the frame again, I need to check to see if everything is there.
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post #10 of 64 (permalink) Old 08-10-2019, 09:59 AM
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Quote:
Originally Posted by 69Bonneville58 View Post
Thanks rod, the 43 2NI number is a plate tagged onto the motor casing and has a tiny lever centered on the plate.
I will look for the engine number when I get some light this morning
Thanks
That is the gear indicator on the transmission
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