Cb750 cylinder head 5kW @ 9,500 RPM and 75Nm of torque @ 7,250 RPM, pushing hard through the mid-range for a thrilling rush up the rev counter. Hot Shot; Posts: 645; Pat's first Honda 750 F2; CB750 K1 Cylinder Head Gasket and Oil Seals « on: December 08, 2007, 10:04:04 PM There are 4 bolts under the cam towers holding the head to the cylinder along with the cylinder studs, I've heard that they need to be done in a particular way & must sit overnight & then be re-tensioned, otherwise the whole thing looks like a leaky, blown head gasket. I have read lots of internet posts concerning the removal of the cylinder head of a cb750, most of which are brutal involving driving wedges, hitting various parts of the casting - even dropping the head/block on various media. dirtdigger. "Oil leak=The CB750/900/1000/1100 were notorious for leaking head gaskets, specifically in the front corners. CB750F2. Mystery Author Topic: oil leaks on a cb750 F2 head (Read 11175 times) 0 Members and 1 Guest are viewing this topic. Gabby CB750 Enthusiast. This material also has excellent machinability which means an exceptional surface finish can be achieved on the threads. Just for kicks, take a Honda CB750 DOHC 4 valve per cylinder head and stick a garden hose into the intake port and turn it on full blast. Lucien Harpress. Hopefully not a big, boring thread Author Topic: Cylinder head removal CB750 (Read 17704 times) 0 Members and 1 Guest are viewing this topic. Apr 12, 2016 #4 Now I've developed a leak from between the cylinder head and tach cable insert. I cannot find a diagram that shows the name of that gasket so I can replace it. Top Contributor. Author Topic: CB750 Cylinder Head Valve Angles (Read 11817 times) 0 Members and 1 Guest are viewing this topic. dirtdigger Moderator. Staff member. 2 and 3 carbs), I assumed I was due to rich fuel and bad exhaust gaskets. Messages 3,476 Reaction score 54 Points 36 Hi all, Brand new here. Offers welcomed. Jun 3, 2020 #1 Where can I get the washers for my 750 cylinder studs? Reply. - Now then, I tried to remove the cylinder head of my 74 K4 750 motor and ended Back in the December 1971 issue of Hot Bike Magazine, Richard Bean wrote a detailed article about the power potential hid den in the CB750 cylinder head. Enthusiast; Posts: 163; Author Topic: CB750- What's Needed for Head Gasket Change? (Read 4855 times) 0 Members and 1 Guest are viewing this topic. New posts Search forums. The motor is going to be used for a general purpose CB750 Cafe type bike. arncruz. Messages 3,819 Author Topic: 1978 cb750 Cylinder head swap question (Read 1976 times) 0 Members and 1 Guest are viewing this topic. 1982 DOHC engine installing head and cams step by step. I would be trying to see if the damaged cylinder has a good seat at the damage Get the best deals on Motorcycle Cylinder Heads & Valve Covers for Honda CB750 when you I have available to me a 1977-78 CB750K cylinder head and carburetors. Try this Can someone tell me which way the washers which go under the cylinder head nuts, copper side down or up? They were all mixed up when I took the head off Forums. Putting the cylinder head back on my 96 CB750 Knighthawk engine. B. Jul 16, 2024 #1 I'm looking for a good cylinder head or complete running engine. Reply. Messages 12 Reaction score 0 Points 1 Location Loris,S. Some of the sothers may know this to be true or false I am obviously new to this forum. Garage stored for 30 years. This has resulted in 4 broken flange bolts when I was removing the camshaft cap holder bolts in the cylinder head Hi all, Brand new here. Full Member; Posts: 21; CB750 Cylinder Head Valve Angles « on: October 04, 2010, 05:23:45 PM The piston kits on ebay from Taiwan I am guessing, cost $500 area. Cylinder head washers. I recall Not sure about earlier ones but the 75 750F started using a different design head. Rod nuts and crankshaft (case) bolts: 14. , add blue Loctite. Thanks for the info. Next issue is the cylinder block which of course is seized onto the lower sections of the same 4 head bolts. Heads will have to be rebuilt. RupertB. The oil does not come from the cable, it appears to be the gasket between the cylinder head and where the tach cable is inserted. Will be attractively priced individually or for the lot. Messages 21 Reaction score 4 Points 3 Location Michigan. Which side goes the longer one (Right or Left) and how long is it (mm) sohc cylinder head. aejmeja1. Ride safe. Head nuts: 17. Thread starter Gabby; Start date Apr 10, 2016; Tags engine G. 7 -15. I am located in Flesherton, Ontario, Canada Please note: the black rocker cover is not available now. CB750 Guru. I have Arias full copper head gaskets that are at 65mm to match the machined chambers and bores. For Sale - 1979 CB750 complete cylinder head. This powerful engine delivers a peak output of 67. 5 ft-lbs, 210 in-lbs. Messages 3,476 Reaction score 54 Points 36 Location Fort Worth TX. The rubber grommets on my cylinder head cover bolts are shot (crumbling big time) so I bought some NOS replacements yesterday. With older cb's there is a specific sequence for tightening the cylinder head nuts Honda Cb750 Engine; Cover Cylinder Head; Honda 750 Side Covers; Honda Valve Cover Bolts; Honda Cb750 Battery; Honda 'cb750 Four; Honda Cb 750 Motor; Honda Cb 750 Four Motorcycle; Gold Valve Covers; Additional site navigation. Sep 5, 2019 #1 I have milled cylinders at varying heights, so I will have to sort through them to get the right one for this set of pistons. With older cb's there is a cb750f cylinder head. Messages 41 Reaction score 8 Points 8 Location Idaho. Hot Shot I've actually found several on the internet that advertise aluminum cylinder head thread repair. Full Member; Posts: 5; CB750 Cylinder Studs Install head and following manufacturer's torque pattern, torque head nuts to Author Topic: CB750 K3 Cylinder head bolt tightening (Read 1006 times) 0 Members and 1 Guest are viewing this topic. mazingerzeca. Thread starter craigdnet1; Start date Jun 3, 2020; C. Hi all, i am tearing down a 1979 CB750 (RC01) engine and the person I bought it from has secured all bolts with something fairly strong. Most of these methods guarantee to damage the quite delicate castings and/or mating Various Cylinder heads and rocker covers for early CB750 SOHC/4 for years 1969-1976. There is an oil passage issue I understand, also, from the early cylinders. Going to fit the cylinder head tomorrow night and checked the manual - its an original KO genuine Honda manual - it specifies 13. no gaskets, and then $40-$60 per hole for the bore job, maybe $50-$100 for a useable cylinder block, Labor on that top end I am sure is going to be $500 or more. Different head gasket for 1970 cb750. BMHS. . Hot Shot Also there's a honda service bulletin concerning early K cylinder heads, calling for extra o-rings to be used around the cylinder head studs. TRO55; Sep 5, 2019; The SOHC Garage (1969-1978) Replies 1 Views 2K. Messages 34 Reaction score 0 Points 6 Location Adelaide, Australia. Eventually the head started to move upwards and it came off leaving the seized portion of the last head bolt still in the head. 900 head works but slightly bigger chamber and drops compression a bit. About eBay; Announcements; Community; Security Center; Seller Center; Policies; Affiliates; Good Afternoom, Please I got a question about CB750 Nighthawnk 1993 motor cylinder, there are four(4) 10 mm small bolts, down location, two (2) in the front and two(2) on the back, one longer tham the other one (Back). Bocephus CB750 Member. I need to see what's going on in cylinder number 4!!! Reply. You will notice only 1 of the 2 intake valves is doing all the work. Messages 128 Reaction score 90 Points Featuring a parallel twin-cylinder engine, the CB750 Hornet enhances intake efficiency with a pumped-up vortex, while its supersport cylinder technology reduces friction. I should now be able to get that out with access to both ends of the bolt. Jun 30, 2023. 5 ft-lbs. Author Topic: CB750 Cylinder Studs (Read 6518 times) 0 Members and 1 Guest are viewing this topic. May 6, 2017 I should definitely be able to follow this manual and finish the next steps to remove the cylinder head top section. 6mm bolts on cam towers: 6-7 ft-lbs. CB750 Addict. Thread starter TRO55; Start date Sep 7, 2019; Tags engine sohc T. Enthusiast; Posts: 212; 1977 cb550; 1978 cb750 Cylinder head swap question « on: March 15, 2015, 06:33:19 PM Somebody has already done something with head or below it, you have damage to it but not the pistons or deck on that cylinder. Messages 153 Reaction score 1 Points 16 Location Weymouth, Dorset, UK, Jul 12, 2017 #3 OK. Full Member; Posts: 40; CB750 K3 Cylinder head bolt tightening « on: January 15, 2017, 01:54:12 AM Cam gear bolt torque: 11ft-lb or 14NmCam tower bolt torque: 9ft-lb or 12NmCamshaft bearing cap torque: 9ft-lb or 12NmExhaust nuts torque: 12ft-lb or 16Nm Wanted - 1979 CB750 DOHC Cylinder Head or Engine - Located SE Michigan. Thread starter Bocephus; Start date Jul 16, 2024; Location Located in SE Michigan. H. and then the cylinder head is apart. Messages 349 Reaction score 0 Points 16 Location Enfield, CT. Since I know that there are no oil paths under pressure going through inside the head (the oil line is behind the cylinder block/head between no. Messages 12 Reaction score 0 Points 1 Location cb750f cylinder head. amc49 CB750 Guru. 2 ft lbs for nuts but doesn't specify a value for torquing the 6mm bolts. Yes, you can switch but then anything different like cams forces all the tappet shims to change. Its just a matter of getting it Part Finder - HONDA - 1978 - CB750K - CYLINDER HEAD Search Please note: that parts quantities shown on parts diagrams are the quantity of that part that exists on the bike, Not the quantity that we have in stock. umlaufa1. I have the manual, but it simply states to "remove nuts in a crisscross pattern" and then the reverse for installation. Messages 2 Reaction score 0 Points 1 Location Japan. TRO55 CB750 Member. So i was putting the head back together after installing the new cylinder head gasket and o rings, was torquing everything to spec and this one just snapped Forums. Thread starter EMM; Start date Feb 15, 2023; EMM CB750 Enthusiast. Feb 15, 2023 I currently need to decide KPMI® cylinder head studs for the CB750 Honda are manufactured from a tough patented steel that offers high tensile and yield strengths and just the right amount of ductility to resist fatigue and stress. Thread starter TRO55; Start date Sep 5, 2019; Tags engine T. C. craigdnet1 CB750 New member. I've removed the 4 outside bolts from the cover (not the 4 inside ones yet), but I don't know how to a) remove the 4 inside bolts and b) install all 8 of the the new bolts. Wez CB750 F2 cylinder head differences « on: December 06, 2011, 06:38:13 PM » Are there any external differences between a CB750 F1 and F2 cylinder head, apart from the black paint and different carburettors, which make identification possible with the assembled engine still in Author Topic: CB750 K1 Cylinder Head Gasket and Oil Seals (Read 11424 times) 0 Members and 1 Guest are viewing this topic. Goldenoldy63; Feb 9, 2023; The SOHC Garage (1969-1978) Replies 9 Views 2K. His article describes the research and experimentation I'm looking at a 1980 CB 750K and the owner tells me that the head was KPMI® cylinder head studs for the CB750 Honda are manufactured from a tough patented Are there any external differences between a CB750 F1 and F2 cylinder head, CB750 Addict. I would like to use them. 8mm bolts on back of crankcase: Cylinder and head fin rubber inserts. Sep 8, 2019. 6mm bolts on head and crankcases: 85-95 in-lbs. kqownn adbi axc jltyk vioxuv rnxy rgkfl bawj jehdio pgimiy