Engine cover bolt sizes and others
- lloydie
- Posts: 20928
- Joined: Mon Jan 17, 2011 11:16 pm
- Location: In the garage somewhere in Coventry
Engine cover bolt sizes and others
I like to change the rusty steel bolts to stainless steel alen cap heads
If you do the same use washers and copper slip .
I've put together the sizes to dress up your engine covers and hope its of use .
Sump
qty lengh size
1 80mm m6
2 40mm m6
4 35mm m6
5 30mm m6
Sprocket cover
qty lengh size
2 60mm m6
1 30mm m6
1 20mm m6
1. 50mm. M6
Clutch cover (not water pump cover )
qty lengh size
6 40mm m6
7 30mm m6
Water pump cover
qty lengh size
3 65mm m6
1 30mm m6
Flywheel cover
qty lengh size
8 45mm m6
Bottom yoke pinch bolt
Qty. length. Size
2. 45mm M10
Tank front bolt
Qty. length. Size
2. 30mm. M6
Starter motor bolts
Qty. length. Size
2. 30mm. M6
Radiator mount bolts
Qty. length. Size
4. 30mm. M6
Air box internal bolts (use thread lock)
Qty. length. Size
8. 15mm. M4
Carb top bolts
Qty. length. Size
6. 15mm. M4
Carb float bowl bolts
Qty. length Size
6. 15mm M5
Brake & clutch clamps (on the bars)
Qty. length. Size
4 25mm. M6
Throttle clamp (right clip on )
Qty. length. Size
2. 25mm. M5
Front brake calliper body bolts
Qty. length. Size
8. 45mm. M8
Fork lower pinch bolts
4. 35mm. M8
If you do the same use washers and copper slip .
I've put together the sizes to dress up your engine covers and hope its of use .
Sump
qty lengh size
1 80mm m6
2 40mm m6
4 35mm m6
5 30mm m6
Sprocket cover
qty lengh size
2 60mm m6
1 30mm m6
1 20mm m6
1. 50mm. M6
Clutch cover (not water pump cover )
qty lengh size
6 40mm m6
7 30mm m6
Water pump cover
qty lengh size
3 65mm m6
1 30mm m6
Flywheel cover
qty lengh size
8 45mm m6
Bottom yoke pinch bolt
Qty. length. Size
2. 45mm M10
Tank front bolt
Qty. length. Size
2. 30mm. M6
Starter motor bolts
Qty. length. Size
2. 30mm. M6
Radiator mount bolts
Qty. length. Size
4. 30mm. M6
Air box internal bolts (use thread lock)
Qty. length. Size
8. 15mm. M4
Carb top bolts
Qty. length. Size
6. 15mm. M4
Carb float bowl bolts
Qty. length Size
6. 15mm M5
Brake & clutch clamps (on the bars)
Qty. length. Size
4 25mm. M6
Throttle clamp (right clip on )
Qty. length. Size
2. 25mm. M5
Front brake calliper body bolts
Qty. length. Size
8. 45mm. M8
Fork lower pinch bolts
4. 35mm. M8
Last edited by lloydie on Fri Apr 18, 2014 3:38 pm, edited 8 times in total.
- shaggy-doo
- Posts: 186
- Joined: Wed Jun 19, 2013 11:45 pm
- Location: Guildford surrey
Re: Engine cover bolt sizes
well done mate
i was going to go out and do some sizing up at some point now that has saved me a job i just need to get all front forks and bars now 



Regards ian
- lloydie
- Posts: 20928
- Joined: Mon Jan 17, 2011 11:16 pm
- Location: In the garage somewhere in Coventry
Re: Engine cover bolt sizes
When you do pm me the sizes and where there for and I will extend the first post .shaggy-doo wrote:well done mate![]()
i was going to go out and do some sizing up at some point now that has saved me a job i just need to get all front forks and bars now
And that goes for any bolt on the bike that would benefit an upgrade .
- shaggy-doo
- Posts: 186
- Joined: Wed Jun 19, 2013 11:45 pm
- Location: Guildford surrey
Re: Engine cover bolt sizes
ok will dolloydie wrote:When you do pm me the sizes and where there for and I will extend the first post .shaggy-doo wrote:well done mate![]()
i was going to go out and do some sizing up at some point now that has saved me a job i just need to get all front forks and bars now
And that goes for any bolt on the bike that would benefit an upgrade .

Regards ian
Re: Engine cover bolt sizes
Good work mate
updating the first post continually until most suspect bolts are covered would make for great reference
These old girls deserve some shiny nuts.
Sent from my GT-19505 using Telekinesis


These old girls deserve some shiny nuts.
Sent from my GT-19505 using Telekinesis
Jamie 

Re: Engine cover bolt sizes
Nice one Lloydie will probably do this for my Fighter project




Duffy1964
Yellow 1997 Storm R.I.P. Orange 2000 Streetfighter (Rufus), Red & Silver 1968 Triumph Trophy 650, Blue 2003 Storm Project, Red 2007 Montesa Cota Trials 250 & 1959 BSA D7 175cc Bantam Trials Project
Yellow 1997 Storm R.I.P. Orange 2000 Streetfighter (Rufus), Red & Silver 1968 Triumph Trophy 650, Blue 2003 Storm Project, Red 2007 Montesa Cota Trials 250 & 1959 BSA D7 175cc Bantam Trials Project
-
- Posts: 137
- Joined: Mon Jun 24, 2013 7:22 pm
- Location: Newton Le Willows
Re: Engine cover bolt sizes
Nice bit of info, just done the side caseings and didn't put washers in
now ordered! Would be good to have the info on the other sizes though!!!

- lloydie
- Posts: 20928
- Joined: Mon Jan 17, 2011 11:16 pm
- Location: In the garage somewhere in Coventry
Re: Engine cover bolt sizes
Where are you on about ?oorwullie43 wrote:Would be good to have the info on the other sizes though!!!
-
- Posts: 137
- Joined: Mon Jun 24, 2013 7:22 pm
- Location: Newton Le Willows
Re: Engine cover bolt sizes
Bottom yoke bolts, fairing bolts and clock bolts are all looking a bit scruffy!lloydie wrote:Where are you on about ?oorwullie43 wrote:Would be good to have the info on the other sizes though!!!

- lloydie
- Posts: 20928
- Joined: Mon Jan 17, 2011 11:16 pm
- Location: In the garage somewhere in Coventry
Re: Engine cover bolt sizes
Go on then measure them as mine are fireblade and different tho fairing bolts might be hard to find tho I wouldn't mind a set in titaniumoorwullie43 wrote:Bottom yoke bolts, fairing bolts and clock bolts are all looking a bit scruffy!

- lloydie
- Posts: 20928
- Joined: Mon Jan 17, 2011 11:16 pm
- Location: In the garage somewhere in Coventry
Engine cover bolt sizes and others
Just had a quote for the bolts on the list with 45 m6 washers £9 delivered :-)
Last edited by lloydie on Sat Oct 26, 2013 3:02 pm, edited 1 time in total.
Re: Engine cover bolt sizes and others
Well done Lloydie
Chris.


Chris.
Re: Engine cover bolt sizes and others
Nice one Lloydie, who was the quote from, as I will have a set at that pricelloydie wrote:Just had a quote for the bolts on the list with 45 m5 washers £9 delivered :-)

Duffy1964
Yellow 1997 Storm R.I.P. Orange 2000 Streetfighter (Rufus), Red & Silver 1968 Triumph Trophy 650, Blue 2003 Storm Project, Red 2007 Montesa Cota Trials 250 & 1959 BSA D7 175cc Bantam Trials Project
Yellow 1997 Storm R.I.P. Orange 2000 Streetfighter (Rufus), Red & Silver 1968 Triumph Trophy 650, Blue 2003 Storm Project, Red 2007 Montesa Cota Trials 250 & 1959 BSA D7 175cc Bantam Trials Project
- lloydie
- Posts: 20928
- Joined: Mon Jan 17, 2011 11:16 pm
- Location: In the garage somewhere in Coventry
Engine cover bolt sizes and others
I used this eBay seller http://www.ebay.co.uk/itm/321121689281? ... 26_rdc%3D1
I have always had a very good service from them
If you email this list to them
Stainless steel Allen cap heads
1xm6@80mm
3xm6@65mm
2xm6@60mm
8xm6@45mm
8xm6@40mm
4xm6@35mm
14xm6@30mm
1xm6@20mm
+ 45 m6 washers
They will set up a listing for you .
But feel free to shop around other sellers
I have always had a very good service from them
If you email this list to them
Stainless steel Allen cap heads
1xm6@80mm
3xm6@65mm
2xm6@60mm
8xm6@45mm
8xm6@40mm
4xm6@35mm
14xm6@30mm
1xm6@20mm
+ 45 m6 washers
They will set up a listing for you .
But feel free to shop around other sellers
Last edited by lloydie on Sat Oct 26, 2013 3:02 pm, edited 2 times in total.
Re: Engine cover bolt sizes and others
Thanks Lloydie. Top Man




Duffy1964
Yellow 1997 Storm R.I.P. Orange 2000 Streetfighter (Rufus), Red & Silver 1968 Triumph Trophy 650, Blue 2003 Storm Project, Red 2007 Montesa Cota Trials 250 & 1959 BSA D7 175cc Bantam Trials Project
Yellow 1997 Storm R.I.P. Orange 2000 Streetfighter (Rufus), Red & Silver 1968 Triumph Trophy 650, Blue 2003 Storm Project, Red 2007 Montesa Cota Trials 250 & 1959 BSA D7 175cc Bantam Trials Project