Topic: CB750 Cafe build

[bigutah]

I have been building up one of my first cafe’s I’m curious to know super long term how reliable the 836cc kits are if I have Carrillo Rods to go with it. Like compared to doing a stock displacement build with tons of head work and such.


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[bigutah]

Rods arnt an issue. Santa brought me some H beams. I heard you get the most power out of the head on these bikes. What’s people’s opinion on Cycle X? Like their beehive valve springs and such.


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[Davez134]

You would notice a huge difference if you properly port the head and replace stock camshaft. I have a 836 with JMR ported head, Webcam41 and I love it.  CycleX puts out some good products (in my personal experience). If you are mostly riding on the street, don't go too crazy on the cam.

[bigutah]

You would notice a huge difference if you properly port the head and replace stock camshaft. I have a 836 with JMR ported head, Webcam41 and I love it.  CycleX puts out some good products (in my personal experience). If you are mostly riding on the street, don't go too crazy on the cam.

when building the head. I’ve looked into cycle x’s “beehive” valve springs. Yes I will have a bigger cam along with kibble white SS valves. Are they any good. What are the pro’s and cons about them. And why wouldn’t I just want to run the stock springs?


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[Davez134]

You would notice a huge difference if you properly port the head and replace stock camshaft. I have a 836 with JMR ported head, Webcam41 and I love it.  CycleX puts out some good products (in my personal experience). If you are mostly riding on the street, don't go too crazy on the cam.

when building the head. I’ve looked into cycle x’s “beehive” valve springs. Yes I will have a bigger cam along with kibble white SS valves. Are they any good. What are the pro’s and cons about them. And why wouldn’t I just want to run the stock springs?

I'm not an expert, but if your cam has too much lift, the stock springs may not close the valve properly, causing the valve to float and contact a piston. CycleX states on their website which of their cams require aftermarket springs. I'm using stock springs with my cam, which is similar to their CX-2.


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[bigutah]

You would notice a huge difference if you properly port the head and replace stock camshaft. I have a 836 with JMR ported head, Webcam41 and I love it.  CycleX puts out some good products (in my personal experience). If you are mostly riding on the street, don't go too crazy on the cam.

when building the head. I’ve looked into cycle x’s “beehive” valve springs. Yes I will have a bigger cam along with kibble white SS valves. Are they any good. What are the pro’s and cons about them. And why wouldn’t I just want to run the stock springs?

I'm not an expert, but if your cam has too much lift, the stock springs may not close the valve properly, causing the valve to float and contact a piston. CycleX states on their website which of their cams require aftermarket springs. I'm using stock springs with my cam, which is similar to their CX-2.


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How do I get into touch with JMR. I think I want my head done by them. From everyone else’s experience it seems to be the road to follow.


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[Davez134]

Forum name MRieck