Author Topic: 1975 CB750 Build! "Kona" - Sold and gone. (Read 71935 times)

evanphi · « **Reply #350 on:** January 28, 2016, 07:08:17 AM »

I just ordered new tubes from CycleEx. Their "fork revival kit" with springs, oil, seals, etc. isn't available until the end of Feb. They don't have the springs in stock until then.

Ravie · « **Reply #351 on:** January 28, 2016, 07:15:13 AM »

Quote from: evanphi on January 28, 2016, 07:08:17 AM

I just ordered new tubes from CycleEx. Their "fork revival kit" with springs, oil, seals, etc. isn't available until the end of Feb. They don't have the springs in stock until then.

Thanks for the heads up. Maybe I'll get tubes from Cycle X and the progressives from someone else. Dime City has some for 90 bucks.

Ravie · « **Reply #352 on:** February 03, 2016, 06:35:34 PM »

Today I tackled a hurdle I've been waiting to jump for many moons. The bike is insured, titled and tagged.

I am toying heavily with doing Tarozzi low-rise clip-ons and Tarozzi rear sets. What do the non-fuddy duddies have to say about those?

Will be taking a local MSF course as soon as they post dates to sign up for it. It's time to finish this girl and RIDE!!!!

SOHC4 Cafe Racer Fan · « **Reply #353 on:** February 03, 2016, 08:55:22 PM »

The Tarozzi high and low rise clipons do not hold their position well. Even when torqued to near stripping, the bars will move when substantial force is applied - like loading a bike.

Ravie · « **Reply #354 on:** February 03, 2016, 08:56:39 PM »

Yeah I've been doing a lot of reading on them and that seems to be general consensus. I'm going to stick with the Renthal ultra-lows.

SOHC4 Cafe Racer Fan · « **Reply #355 on:** February 03, 2016, 08:58:23 PM »

Rental makes great gear.

Ravie · « **Reply #356 on:** February 04, 2016, 07:19:49 AM »

Edited because I researched some more....

During research...I realized the brackets listed for sale over there only fit the bike with the caveat that you have to remove and fabricate a new braking system. The ones I'd need are these guys: http://cognitomoto.com/collections/rearsets/products/cb550k-cb750k-rearset-brackets-keep-linkage

Ravie · « **Reply #357 on:** February 04, 2016, 07:56:43 AM »

Okay, I did my due diligence on rear sets... Unless you're fabbing some of your own stuff or sourcing from all over the place...The tarozzi Rear sets that bolt on and come with all of the necessary hardware are only marginally more expensive. For Cognito brackets plus splined brake linkage, a linkage kit, and some of DCC's least expensive non-indexable fixed pegs comes to 258 dollars and that includes me having to modify my shifter lever if I don't also want to spend another 38 dollars on a pre-made one. Makes more sense for me to not have to mess around with ordering from all over the place and piecing it together and just buy the whole Tarozzi kit.

Ravie · « **Reply #358 on:** February 10, 2016, 05:17:09 PM »

I know the answers to this will likely be pretty ambiguous but here it goes:

Stock airbox with a few mods (holes for the breather tubes from carbs, opened up intake holes...basically the mods Mark says to do.)
Head is ported and polished.
836 CC's now with Cruisinimage kit
Likely slightly higher than stock compression from having both the head and cylinder block flattened.
Sidewinder Exhaust from Carpy.

When I rebuilt the carbs I left the jets stock. 105/40's. I bought 110's but left them in their baggie. I feel like that's not going to be enough.

What say the masters of tunage?

"Well you'll just have to do a plug chop and see what you get."

I feel like that's what's coming. Right? Right?

:-D

SOHC4 Cafe Racer Fan · « **Reply #359 on:** February 10, 2016, 08:04:09 PM »

Well you'll just have to do a plug chop and see what you get.

Nah, I'm full of it.

edwardmorris · « **Reply #360 on:** February 10, 2016, 08:27:02 PM »

Depends if the Carpy exhaust is free flowing or baffled. With HM300s (free flowing), DaveZ runs 122.5 mains IINM. I plan to start at 120s with a modified airbox and a K&N drop in with HM300s.

Ravie · « **Reply #361 on:** February 10, 2016, 08:31:57 PM »

Has a removable baffle... haha

Ravie · « **Reply #362 on:** February 11, 2016, 11:19:47 AM »

Have 2 sets of plugs now. Ordered 2 more as well as several sizes of main jets and some 42 pilots.

Ravie · « **Reply #363 on:** February 17, 2016, 07:16:53 AM »

Ahhhhhh the fun of money...and the lack of it when you need it.

Going to have to finish the last bits and bobs on what I've got now. No money for fun. I do need to replace the fork tubes...may get some used or just order new ones from Z1. Mine are junk. Should have known that ages ago.

Other than that I'm waiting on pilot jets. I'm going to start with 110/42 and see how that runs. Finally managed to get the rest of the airbox pieces and things, so there's that. Now I need to kick Derek's ass to paint my bloody tank. (Yep.)

I need to get a hold on someone with a carb sync tool. Planned on buying one but again...no funds.

Ravie · « **Reply #364 on:** February 19, 2016, 06:56:16 PM »

Is that what I think it is?

Ravie · « **Reply #365 on:** February 19, 2016, 08:27:43 PM »

Yeah, basically. Kona Coffee Metallic is the color I had mixed. It is a Honda car color.

SOHC4 Cafe Racer Fan · « **Reply #366 on:** February 20, 2016, 12:21:27 AM »

Nice color.

Ravie · « **Reply #367 on:** February 20, 2016, 06:36:49 AM »

I got a lot of angry texts from my buddy last night. He said my clear activator wasnt working right and apparently he ran the clear.... so we shall see what happens now.

Ravie · « **Reply #368 on:** February 20, 2016, 10:59:53 AM »

Teehee.

SOHC4 Cafe Racer Fan · « **Reply #369 on:** February 20, 2016, 11:05:49 AM »

Yeah, that looks good!

Ravie · « **Reply #370 on:** February 20, 2016, 11:19:57 AM »

I have some really nice metallic silver wing decals for it as well.

Ravie · « **Reply #371 on:** February 20, 2016, 06:34:07 PM »

Alright guys. Yes, the airbox is missing and I haven't changed the petcock yet and I need a repro gas cap because mine looks horrible with that beautiful paint.... BUT.... Here she is!!!!!

Ravie · « **Reply #372 on:** February 20, 2016, 07:24:01 PM »

I've had it up and down the street with a plastic tank a few times. 1.5 miles to be exact. lol

Still have some tuning to do, jetting, etc.. And I stuck the tank on but throttle cables are binding and some wiring is in the way. I'll get it sorted out.

I have been just staring at it since I get the tank and covers set in place. haha

Ravie · « **Reply #373 on:** February 21, 2016, 05:01:12 PM »

Number 4's float is too high or not sealing (I might need to get some fresh float needs and seats. Can I get rubber ones and use them with the seats that are already on it?) and there are some niggles here and there. The front end needs new fork tubes, I still need to sort of jetting...and even after readjusting the valves I am getting some popping out of the 3-4 exhaust pipe.... BUT......

It is alive.

Ravie · « **Reply #374 on:** March 04, 2016, 09:04:31 AM »

I've been playing around with it for the past few days. Cal sent me his carb-tune so I could get it synced. It was pretty close before but some tuning made it better.

After I did the carb sync I took it out for a ride. About 3 blocks away from the house it died...I forgot to turn the damn petcock back on. After turning it back on I fouled the plugs...walked the bike a good 1/4 of a mile before I got it restarted and running well enough to at least get me home.

Once I got it home I realized it was not running on all 4. Fouled plugs. I worked on it the next day. 1 and 4 seemed to be much cooler than 2-3. I changed out those plugs and then checked the timing both static and running. 2-3 was so far off it was half way to the advance marks! 1-4 was fine, actually. I corrected the issue and the bike now idles much smoother and all of the pipes are getting hot.

I haven't been able to test ride it yet...the joy of having family with other plans! May not get to today either...home with my 2 year old, gotta pick up my 7 year old later and I've got a gig tonight! *sigh*

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Author Topic: 1975 CB750 Build! "Kona" - Sold and gone. (Read 71935 times)