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Central Oil Pickup Pipe


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#1 whistler

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Posted 29 May 2025 - 10:16 AM

Subsequent to my discovering of my central oil pickup pipe snapping, I'm looking for a new one that doesn't foul the crank/conrod of a 1098 engine.

Anyone with a 1098 found one that has clearance?

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#2 Spider

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Posted 29 May 2025 - 11:47 AM

I'm sure you'll find most will fit and clear the big ends. There is some room to move with the fixing bolts and steady. Looking at your photos, the contact has only been slight. I'm fairly sure is you lightly nipped the bolts for the oil pick up, then gave it a knock right where that last one was contacted, then do a final tighten, you should be OK.

Put some marker or plasticene on the new pipe, sit the engine on the gearbox without gaskets, turn it over a few times, be sure to thrust the crank both ways for at least one revolution of each way, then remove the engine and check it.



#3 DeadSquare

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Posted 29 May 2025 - 12:53 PM

I had this happen, over 40 years ago, fortunately the Crank wouldn't revolve to do the Tappets.

 

I had an empty gearbox casing and was able to bolt the Pick-up in it and keep bending until it just missed the Layshaft in the 1100 box.



#4 whistler

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Posted 30 May 2025 - 08:54 AM

Ordered a new pipe from Minispares and will do a mock build to check clearances.



#5 imack

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Posted 30 May 2025 - 11:33 AM

I'll be interested to see what turns up from minispares. In the photo, the mounting bracket looks more like my old style one.

#6 Shooter63

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Posted 30 May 2025 - 08:31 PM

Is your gearbox a remote type or rod change?

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#7 whistler

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Posted 31 May 2025 - 09:44 AM

Is your gearbox a remote type or rod change?

Shooter

Remote with magic wand conversion. Gear set is A+ which means I had to modify the central web to accommodate a 2 step layshaft. Gearbox works fine.



#8 whistler

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Posted 31 May 2025 - 10:18 AM

Wall thickness is about 1.15mm.
You can see where the impact points are and that the damage is almost through the pipe wall.

 

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#9 imack

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Posted 31 May 2025 - 12:37 PM

That looks like it has rubbed through in a few spots. Almost certainly the cause of failure in my eyes. Have you checked your crank end float?

#10 Shooter63

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Posted 31 May 2025 - 02:06 PM

Is your gearbox a remote type or rod change?

Shooter

Remote with magic wand conversion. Gear set is A+ which means I had to modify the central web to accommodate a 2 step layshaft. Gearbox works fine.

You will probably have to modify COP to fit your box, you will probably need to relieve the hole where the pick up goes through, tweek the pick up gauze end to miss the reverse gear and file the mounting flange flat.

Shooter




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