Search found 8 matches

by Sharkie86
Tue Nov 11, 2025 1:15 pm
Forum: Twinshock & Classic Trials
Topic: Yamaha 74 TY250a gearbox oil capacity/oil brand advice
Replies: 3
Views: 2430

Re: Yamaha 74 TY250a gearbox oil capacity/oil brand advice

Thanks Guy and Dave for the advice much appreciated.
Regards
Sharkie86
by Sharkie86
Sat Nov 08, 2025 9:43 am
Forum: Twinshock & Classic Trials
Topic: Yamaha 74 TY250a gearbox oil capacity/oil brand advice
Replies: 3
Views: 2430

Yamaha 74 TY250a gearbox oil capacity/oil brand advice

Hi,
Just interested in finding out gearbox oil recommendations for my recently purchased 74 ty250a.

-Is it 1Ltr the amount of gearbox oil recommended when changing it?

-What brand of gearbox oil do you recommend using?

I was looking at possibly getting the 10w40 Penrite MC go
from Supercheap ...
by Sharkie86
Mon Jan 27, 2025 7:34 am
Forum: Twinshock & Classic Trials
Topic: Best fuel recommended for TY250 1974
Replies: 3
Views: 4142

Re: Best fuel recommended for TY250 1974

Hi Carl and Whitehillbilly,

Thanks for the info. Nice bike you have. Here is a couple of photos of mine. I can’t take credit for the restoration work though haha.

I’ll give the BP 98 a go.

I have bought some Castrol TTS 2t oil as well from MXstore to give a run with it. I was using the Penrite ...
by Sharkie86
Sun Jan 26, 2025 7:27 am
Forum: Twinshock & Classic Trials
Topic: Best fuel recommended for TY250 1974
Replies: 3
Views: 4142

Best fuel recommended for TY250 1974

Hi,

Just wondering what type of fuel most air cooled bike owners are using?
I have a 74 TY250 that I was running Ampol 91 (blue symbol at the bowser), but noticed the fuel lines had become rock hard. Don’t know if the previous owner had used ethanol (E10) based fuels in it or something. Is there ...
by Sharkie86
Tue Nov 26, 2024 3:41 pm
Forum: Twinshock & Classic Trials
Topic: 74 TY250a shark fin chain guard protector
Replies: 2
Views: 3319

Re: 74 TY250a shark fin chain guard protector

Hi Kurt,

Thanks for that info.

Cheers

Jeremy
by Sharkie86
Wed Nov 20, 2024 1:54 pm
Forum: Twinshock & Classic Trials
Topic: 74 TY250a shark fin chain guard protector
Replies: 2
Views: 3319

74 TY250a shark fin chain guard protector

Hi, I have a recently bought a 74 Ty250 that I’m looking at going in some comps with it next year (hopefully).

I began looking at the regs etc and noted that a guard where the sprocket/chain meets looks to be required for scrutineering. I have the front sprocket area covered with the casing but ...
by Sharkie86
Sun Sep 08, 2024 5:48 pm
Forum: Twinshock & Classic Trials
Topic: Sourcing Talon dished sprocket for TY250, 1974
Replies: 5
Views: 4141

Re: Sourcing Talon dished sprocket for TY250, 1974

Thanks guys much appreciated. cheers Jeremy (sharkie86)
by Sharkie86
Sat Sep 07, 2024 9:33 am
Forum: Twinshock & Classic Trials
Topic: Sourcing Talon dished sprocket for TY250, 1974
Replies: 5
Views: 4141

Sourcing Talon dished sprocket for TY250, 1974

Hi there,
Just wondering if anyone knows where to purchase talon dished sprockets for a 74 TY250 in Australia? I remember I got some about ten years ago when my old bike was restored by a guy I knew but he has moved to TAS and I lost contact with him unfortunately.

I saw there are some in UK at ...