Radial play in throttle body shaft B4 750 - MVAgusta.net
 
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post #1 of 4 (permalink) Old 07-30-2019, 02:47 AM Thread Starter
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Radial play in throttle body shaft B4 750

Anybody ever serviced a throttle body?
(B4 750 2003)

When doing some work on my bike this weekend i noticed that there is radial play in throttle body shaft of the body in front of cyl#3. I could see the blade in the closed throttle move around when i re-attached the throttle cables.

I would like to source some maintenance parts so i can service the tb's this fall/winter, i checked some websites but i can't find any seal and bearing kits anywhere.
Does anybody know who the manufacturer of these throttle bodies is?

Picture is just for illustrating the play, not the actual throttle body.
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2003 MV Agusta Brutale 750S
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post #2 of 4 (permalink) Old 07-30-2019, 05:57 AM
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I have a complete TB assembly for you, fully working.

F4 750 with Brutale 910S motor
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post #3 of 4 (permalink) Old 07-30-2019, 06:27 AM
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I don't think service parts are sold for throttle bodies. I know you can't buy parts for Japanese carb and throttle body butterfly shafts either.

Too many possible liability concerns I suppose. The screws holding the butterfly plates are staked to prevent removal.

You would have to make your own or get a new (used) throttle body....

Hmmmm...I wonder how prevalent this might be.

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'08 910R (Gina), '04 F4 SPR #275 Track Bike (Lola), YSR50 (The Rabbit), '71 CB100 (Lil' Red), '75 RD350C (Orange Bird) restoration project, 2015 Indian Chieftain (Rita) my "low-n-slow", '70 Suzuki F50 (Baby Blue), 2018 Suzuki GSX-S750L8 (Susie Q)
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post #4 of 4 (permalink) Old 07-30-2019, 09:41 PM
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A carburettor specialist may be to make and fit a new bush to the throttle body but if a good secondhand set is available that would be an easier/probably cheaper option.

2013 F4RR
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