Oh no- yet another mystery part!
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- Evans Ward
- To the on ramp
- Posts: 326
- Joined: Mon Oct 24, 2016 12:35 pm
- Country: USA
- Suzuki 2-Strokes: 76 GT750, 72 H2 750, 84 RZ350
- Location: Macon, GA. USA
Oh no- yet another mystery part!
Found this strange part in the bottom of my drain pan after draining gear oil on the GT750A. I also replaced all engine covers on the bike, replaced the water pump, and had all the pipes off. I will not replace gear oil and coolant until this part is identified. Please help if you can- thanks!
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1976 Suzuki GT750 (Maui Blue), 1972 Kawasaki H2 750 Mach IV (Candytone Blue), 1984 Yamaha RZ350 (KRR- Yellow/ Black).
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- Yeah Man, the Interstate
- Posts: 590
- Joined: Tue Mar 10, 2015 12:35 pm
- Country: WALES
- Suzuki 2-Strokes: suzuki gt 550j
- Location: Wales
Re: Oh no- yet another mystery part!
When you drained the oil did you remove the bolt that was at at angle? Because that part is the detent plunger which is a stopper in the gearbox. Part number 25351-30010 .
The oil drain bolt is next to the angled bolt and is level with bottom of the engine
The oil drain bolt is next to the angled bolt and is level with bottom of the engine
98 carb Blackbird and GT550j
- Evans Ward
- To the on ramp
- Posts: 326
- Joined: Mon Oct 24, 2016 12:35 pm
- Country: USA
- Suzuki 2-Strokes: 76 GT750, 72 H2 750, 84 RZ350
- Location: Macon, GA. USA
Re: Oh no- yet another mystery part!
GTandcbr wrote:When you drained the oil did you remove the bolt that was at at angle? Because that part is the detent plunger which is a stopper in the gearbox. Part number 25351-30010 .
The oil drain bolt is next to the angled bolt and is level with bottom of the engine
Yes, I did unscrew the wrong plug by accident. How does this orient with the plug and spring? Thanks for helping!
EDIT: did a search and found out proper orientation. Will fix this and then on to refilling gear oil and coolant. I always say "the search feature is your friend!"


1976 Suzuki GT750 (Maui Blue), 1972 Kawasaki H2 750 Mach IV (Candytone Blue), 1984 Yamaha RZ350 (KRR- Yellow/ Black).