Author Topic: 1975 750 k5 (Read 1185 times)

Halltm · « **on:** January 26, 2020, 06:40:20 AM »

New to the site. Just picked up a 75 750 k5 from the original owner sitting since 91
Pulled the carbs off last night and yes the gas has carmelized and the gas in the tank looks like gold crude. Working thru that....does anyone have a source for intake manifolds? Or any other web sites

Thanks for your help in advance.

MauiK3 · « **Reply #1 on:** January 26, 2020, 07:59:23 AM »

David Silver Spares
Yamiya

Both have good supplies of parts and the parts are generally high quality. Don't get cheap ones.

beemerbum · « **Reply #2 on:** January 26, 2020, 08:50:50 AM »

4 into 1 also a good source

my name is nobody · « **Reply #3 on:** January 26, 2020, 09:16:35 AM »

Is it all stock/original? just curious...

Don R · « **Reply #4 on:** January 26, 2020, 09:19:06 AM »

I've had some luck with lacquer thinner melting amber fuel from a gas tank. It will damage paint if you get sloppy.

HondaMan · « **Reply #5 on:** January 26, 2020, 09:21:56 AM »

I buy them from South Sound Honda, best prices and good delivery. They did start a $25 "handling" charge last year, so you need to buy enough stuff to make up the difference with their lower prices to come out well: in this case I would recommend getting both the 4 rubber hoses (2 of 2 different types) and a new set of carb-top linkage boots, as yours are likely cracked and broken by now. This will leave you about $4 "ahead" overall, based on the shopping I have done there.

Halltm · « **Reply #6 on:** January 26, 2020, 04:04:31 PM »

Thanks. It is all original

ekpent · « **Reply #7 on:** January 27, 2020, 06:10:37 AM »

Quote from: Halltm on January 26, 2020, 04:04:31 PM

Thanks. It is all original

Red or blue ?

Halltm · « **Reply #8 on:** February 09, 2020, 09:41:50 AM »

Halltm · « **Reply #9 on:** February 09, 2020, 10:23:36 AM »

Any tips on where to get aftermarket needle jet holders? Looking for something cheaper than the Hondas. I cannot Screw off the main 105 jet off all 4 of these.
Thanks

69cb750 · « **Reply #10 on:** February 09, 2020, 10:35:06 AM »

The needle jet goes in first then the main jet holders (with main jet)
Use vise if jet is stuck in holder.

Stev-o · « **Reply #11 on:** February 09, 2020, 11:20:40 AM »

Quote from: Halltm on February 09, 2020, 10:23:36 AM

Looking for something cheaper than the Hondas.

There is 1 very good reason Honda carb parts are more expensive that the cheap china crap.

Trust me, you dont wanna try to save a few bucks by going that route...

Halltm · « **Reply #12 on:** February 09, 2020, 11:41:56 AM »

Got them apart w the vice grips. Good tip. Going to clean up the ones I have. Thanks

HondaMan · « **Reply #13 on:** February 09, 2020, 06:37:22 PM »

Quote from: Halltm on February 09, 2020, 11:41:56 AM

Got them apart w the vice grips. Good tip. Going to clean up the ones I have. Thanks

These guys are right! ^^^
You will be much happier with the OEM jets, emulsifiers, and needles. They actually work...and when you reach about 105,000 miles, pull the main needle jets out and turn them 180 degrees and reinstall: they will have become slightly oval by then, but this makes them work like new again.

Halltm · « **Reply #14 on:** February 10, 2020, 05:14:27 AM »

Need float pins. Any suggestions?

Also when I took out the needle jet holder I did not see the needle jet. If it is still in the carb any thoughts how to punch this out.

Thanks for your help!

69cb750 · « **Reply #15 on:** February 10, 2020, 05:39:56 AM »

Need float pins. 16126-259-004 https://www.ebay.com/itm/NOS-HONDA-CA175-CB77-CL175-SL350-FLOAT-ARM-PIN-PART-16126-259-004/232144422882?hash=item360ce2c7e2:g:IkkAAOSwXeJYKyCb

Quote

Also when I took out the needle jet holder I did not see the needle jet. If it is still in the carb any thoughts how to punch this out.

Try to push out with finger, else use plastic end of screw driver and tap gently.

WhyNot2 · « **Reply #16 on:** February 10, 2020, 11:01:23 AM »

yep, be careful with those pins

Halltm · « **Reply #17 on:** February 23, 2020, 04:13:06 PM »

Everything is out back and cleaned. Replacing the gas lines.

Does anyone know the correct gas line size?

Also, any tips on setting the floats?

Thanks

Doobie · « **Reply #18 on:** February 24, 2020, 04:33:59 AM »

Quote from: Halltm on February 23, 2020, 04:13:06 PM

Everything is out back and cleaned. Replacing the gas lines.

Does anyone know the correct gas line size?

Also, any tips on setting the floats?

Thanks

Check the forum's manuals and tech docs section. Plenty of good info there, including a service manual.

newday777 · « **Reply #19 on:** February 24, 2020, 05:08:16 AM »

Quote from: Halltm on February 23, 2020, 04:13:06 PM

Everything is out back and cleaned. Replacing the gas lines.

Does anyone know the correct gas line size?

Also, any tips on setting the floats?

Thanks

5.5mm or you can use 1/4" fuel line.
Motion Pro 12-0052 Tygon Grey 1/4" x 3' Premium Fuel Line https://www.amazon.com/dp/B000WOHJIK/ref=cm_sw_r_cp_apa_i_AL8uEbN382JZ3

Float setting

https://www.vintagecb750.com/products/6/fuel-system/113/carb-floats-other-carb-components

newday777 · « **Reply #20 on:** February 24, 2020, 05:13:46 AM »

Quote from: Halltm on February 09, 2020, 09:41:50 AM

Blue

My favorite. I bought one new in 1975. I have another now.

MauiK3 · « **Reply #21 on:** February 24, 2020, 07:57:03 AM »

Hondaman's book
It's all in there.
Must have
Over

News:

Author Topic: 1975 750 k5 (Read 1185 times)