| | Gearbox oil dilema |  |
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spannermonkey2
Number of posts : 2
Registration date : 2009-11-15
| Subject: Gearbox oil dilema  Mon Nov 16, 2009 4:38 am | |
| Can anyone recommend a good Gear box oil for my aircooled racing D3 bantam engine. and at what interval should it be changed. | |
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ROBBIE
Number of posts : 377
Localisation : Swanscombe Kent UK
Registration date : 2006-12-25
| | Subject: Re: Gearbox oil dilema Mon Nov 16, 2009 5:54 am | |
| EP80 CHANGE AFTER EACH MEETING | |
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Guest
Guest
| | Subject: Re: Gearbox oil dilema Mon Nov 16, 2009 6:02 am | |
| I run the cheapest unbranded 20w50 I can buy, or borrow, and change it every meeting The only time I put good stuff in I couldn't get rid of the clutch slip  James |
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mjpowell
Number of posts : 1074
Localisation : Lincoln England
Registration date : 2006-12-09
| | Subject: Re: Gearbox oil dilema Mon Nov 16, 2009 6:20 am | |
| Engine oil gives better gear selection but wears gearbox. EP80 better on gears but poor gear selection and clutch probs if running all steel plates! Don't put 3/4 of a pint in either put 1/2pt.
Where do you race your 150cc banty?? | |
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SteveF
Number of posts : 54
Age : 63
Localisation : Warrington Cheshire
Registration date : 2006-12-04
| | Subject: Re: Gearbox oil dilema Wed Nov 18, 2009 5:01 am | |
| Hi Mike
What is the basis for 1/2 pint. Is it because at 1/2 you can remove the "Egg" from an horizontal engine and not spill oil. Or is there another benefit
Steve | |
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mjpowell
Number of posts : 1074
Localisation : Lincoln England
Registration date : 2006-12-09
| | Subject: Re: Gearbox oil dilema Wed Nov 18, 2009 10:18 am | |
| Hi Steve .. reason is the oil level is just too high at 3/4 pt and its churning up saping power and generally throwing it out! I think BSA said 3/4pt as it lenghtened the service(top up interval) and as we are changing every 40miles(a race meeting) its not required. My bike(s) have run 1/2pt (10 fl/ozs) since 1984 with no ill effects.... | |
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mike redhead
Number of posts : 90
Age : 63
Localisation : Merseyside
Registration date : 2008-06-02
| | Subject: Re: Gearbox oil dilema Thu Nov 19, 2009 3:39 am | |
| Mike,
Is that 1/2 pint combined in the clutch and gearbox or just in the gearbox?
Regards,
Mike R | |
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Guest
Guest
| | Subject: Re: Gearbox oil dilema Thu Nov 19, 2009 8:19 pm | |
| You can tell I started racing later (and must be much younger) than Mike, My Bantam gets 300ml of oil  |
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mjpowell
Number of posts : 1074
Localisation : Lincoln England
Registration date : 2006-12-09
| | Subject: Re: Gearbox oil dilema Tue Nov 24, 2009 7:13 am | |
| Mike 10floz total! James 300 what? .... do you remember pounds shillings and pennies? | |
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