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Heavy Twins

Description

A technical forum for Model 7 to Mercury

3 start and 6 start oil pumps ?

Forums

Despite reading everything I could I cant find any real descriptions or photos as to what they actually are or look like. I realise one pumps more oil and can do more harm than good but how do I know what has been fitted to my 59 ` Dommi 88 ? Do I have to remove the worm gear to check and clean the pump if so any advice on how to do that ?

Dommi 88 cam followers ?

Forums

One of my Cam followers is badly worn /out of shape where the Push Rod fits. Mine are chamfered back and front and appear to identify as a standard `Flat foot` according to the photos of identification in my Dominator service notes V1.2 manual. I thought I had found a set on the NOC shop but they dont have the chamfers back and front. My question is can I mix and match using the chamfered good ones on one side and the NOC shop non chamfered ones on the other ? Andover Norton have them on their site but ONE PAIR works out at over £300 ( non chamfered flat foot ).

Dommie 88 Front Wheel Bearings

Forums

Hello folks,

I've decided to service the brake on my recent Dommie 88 purchase before I take the bike out for a run, I found I had a slightly rough wheel bearing so decided to replace both.

I've removed one bearing from the side with the removable cover easily enough, the spacer came out but left one end place still in the wheel so I need to remove that and the other bearing, there oddly are no felt seals present as noted by the parts diagram.

Dominator kick starting

Forums

My aging leg muscles are finding it more and more difficult to kick start my 650SS. Can some one tell me as to the best Norton with a Featherbed frame that is easy to maintain and work on and easy to kick start. I have looked into electric starts to no avail. I love my SS but wish I could start her without a struggle.I am not interested in high speed but appreciate good acceleration like the SS provides.

Early 650ss rotor and stator replacement

Forums

Hello. I’m trying to recommission an old 650ss which has stood idle for over 40 years. The engine number shows it to be from Sept 1962 but from the 1963 model year. 

On stripping the primary chain case I was confronted with one of the old RM 15 70mm rotor and stator sets which are both ‘shot’ and the rotor magnets are very feeble. Time for a new set! 

The new 74mm Lucas replacements look lovely and shiny in the box right up until the point where the new rotor doesn’t actually fit the crank.

Norton Dominator Clutch Rubbers

Forums

Hi,

 

I have a Dominator 7 with a early model clutch. Its a project that I have and I am in the phase of rebuilding the clutch.

I bought a set of new rubbers because I though they would be all the same size for these clutches. I was wrong and the new ones where small compared to the old ones.

Old height is roughly 28mm. The new ones where 24mm. I could not locate anywhere these bigger ones.

Would anyone have suggestions where to buy the bigger ones?

 

Than you and best regards,

 

Antti

Dommi 88 crankshaft

Forums

Need to know having read my Domnator service notes V1.2 manual ( Page 20) if the said `grub screw` talked about is the one shown (I think ) in the top photo ? If so the one on my crank doesn`t appear to have a screwdriver slot or an allen key head at all and it has been centre punched over. Is it essential that this comes out to properly clean the oilways ? Thanks, Wayne.

 


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