Bolt size for 6hp flywheel puller?

R

redart

Seaman Apprentice
Joined
Jun 6, 2010
Messages
31
Anyone tell me the correct sized bolts to buy for inserting into the 3 holes on the flywheel ? 1981 6hp Sea-Horse (I think). Thanks.
 
R

raczekp1

Lieutenant
Joined
Mar 30, 2010
Messages
1,327
Re: Bolt size for 6hp flywheel puller?

its the same size as all in jo/ev engines bolts, diameter is 6.3mm,( i used the same as are holding lower unit to mid section) the lenght you just corect by using washers
 
Vic.S

Vic.S

Rear Admiral
Joined
May 4, 2004
Messages
4,697
Re: Bolt size for 6hp flywheel puller?

They will be an American ( inch) size surely ? 1/4" and UNC (OR UNF ?) thread.

They need to be a high tensile, grade 8, bolt or they are likely to break.
 
Vic.S

Vic.S

Rear Admiral
Joined
May 4, 2004
Messages
4,697
Re: Bolt size for 6hp flywheel puller?

1/4 inch like vic said.
Click to expand...
And a coarse thread, 20 tpi ?? That'd be a pitch of 1.27 mm in metric
 
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