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K series.

Hi everyone, Just wanted to share some information about our latest creation. We believe this is the second biggest CB engine made (biggest is also ours with 1340cc (78x70mm strocker). What is special about this one is it uses the stock crank - 63mm stroke. Fed methanol through 33mm CRs fired...

Still available and the best value of any SOHC brake system upgrade.

So another Island Classic has come a gone. The bike was flawless all weekend. We did P1 qualifying with a 1:49,5 time (as fast as we've been the year before) First race saturday we won and dropped into the low 1:48s Second race saturday Corey crashed and did a bit of damage to the ignition...

Hi, Last week the Australian Historic Nationals took place in Symmons Plains International Raceway in Tasmania. We came away with the first place after having some issues with the carburetors in the early days. The Methanol we got was different and was clogging the carbs. Anyways, here is a...

They are the same chain. The Audi one is of course much cheaper but you have to break it and make two chains out of them. Not hard at all. Tensioner, if we cannot get new ones, we machine out of plastic.

We use the common Audi based primary chains. Never had an issue. Yes we upgrade our cush drives with stronger rubber 'pellets' and a different cush drive plate that reduces its travel so the rubbers are not subjected to as much strain. We meant to release that upgrade but haven't found the...

So we got our race bike featured by the good people at Rapid Magazine in Australia. They tried our bike early this year at Phillip Island when the Island Classics was on (we got 2nd by the way). Nice introduction on how the big bore CBs came about on this side of the world! The bike has since...

The first commercially available yes...not the first ever. We have one in a 1340 engine of our own :thumbsup: All machined in house by 'the Boss'. Thanks for that, we will be ready!

Hi, New billet 4340 steel 70mm stroke (race design, 8kg, knife edge weights, balanced,...) + custom rods to suit all CB750 pistons (15mm pin). Rods are 3,5mm shorter to suit new stroke. Similar in design to the ones above. Those welded boldor cranks are not a good engineering solution... 3500...

Well spotted Sir, Indeed they are. We always prefer to have them and run Boldor bearings. Its just nicer

Can do, however I would have to order them to suit. Send me PM if you really want them.

Thanks! They are just lookalikes... Bolts are only 200.000 instead of 220.000 psi of the ARP 2000. But the rods can be used with ARP's - they bolt just in - although these ones are perfectly fine for everything. These bolts are equivalent to 8740 Chrome Moly material.

Hello fellows, New CB750 SOHC conrods from RPE Racing. These are a direct OEM replacement and much stronger than stock. For those of you who have bigger bores (heavier pistons), higher revs or are just after a better than OEM rebuild, this is it! Not as expensive as carrillo or pauter but just...

Hi guys, Hope you don't mind some 24 valve symphony... This is our latest creation at RPE Racing - 1350cc Big Bore Fuel Injected Steetfighter. Enjoy: https://www.youtube.com/watch?v=M7f6QeQApAc&index=24&list=PLYKgXLH39Wky80xVSBPZFS1YN7AKfiyFs

Thanks for the kind words. We can certainly help you, when you are ready. Regarding news, the best place to follow really is facebook and our youtube channel: https://www.facebook.com/RobinsonPrecisionEngines https://www.youtube.com/channel/UCT0H5bJgv1mFz4jDML-7a-g Thanks

I would like to share something new we made for all CB enthusiasts... Cast Iron brake discs - drilled or plain by RPE Racing in OZ Honda fours have lousy braking performance. The main reason is the poor grade stainless Steel used by Honda for the original brake discs. These discs solve that...