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Hi, anyone know my bike?

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Hi,
just joined the club having recently acquired an 88 at auction. It's fairly non standard and seems to have been a cafe racer at some point. See pic
im hoping a member might know this bike. If so it would be great to hear from you.
cheers,
Pete
 

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Hi Pete, can't help with the history of your bike, but it looks like you've got the bones of a good machine there. 
Not wishing to come across as a rivet counter, but that dynamo engine is from an earlier bike, as all the slimline twins like yours were equipped with an alternator. Also what's going on with that clutch casing! 

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Hi Michael,
yes well spotted. it's either a pile of random parts chucked together or something that's evolved over the years.
im aware it's an older bottom end. The head is the 650ss type (I believe). It has 1 1/8 inlets which are angled downwards. 
The bike came with a pair of 1 1/8 monoblocs which are LH and RH but has since been fitted with an inlet manifold and a single concentric. It also came with an aluminium cafe racer tank, some rear sets and a fibreglass single seat unit.
no idea on the primary cover. It's been suggested that it might have had a belt primary at some point. 
i think the tank that's on it now is a newer pattern part. It seems to be fitted low at the front.
First gear also feels a bit high and I'm wondering if it has a close ratio gearbox or perhaps a handful of random gears chucked in. 

chances are Ive just bought a bitsa but that's ok with me as it makes it more of a blank canvas than something that should be preserved. 

cheers,
Pete

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One to ride as is.  Looks well assembled. DVLA state first reg as 1988 although1961 manufacture so could be a bitsa or import.

if it's all working as expected, run it, decide what you want from it and then start collecting what parts you need to make it yours.
Nice machine! 

j

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one advantage of dynamo is that primary belt fitting is easier, and a suitable primary cover ( to keep grit out!!) can be custom-made narrower at front ( no alternator). That tank was probably for a wideline frame, so needs careful support along top rails.

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So what other points do we need to consider with a dynamo? You don't have too much electricity so don't think of high power lighting systems! Sticking with a magneto is recommended. The dynamo can support electronic ignition but  you have to be careful of EI power consumption and how good your battery is.

 



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