77-78 k and f engines are totally bolt in swap...any other cb750 engine you will need to use the sprocket carrier from a '76 or earlier bike, then make up the extra space on the axle with a spacer(or swap the whole earlier swingarm in). The little canister- I think its called a condensation chamber- where the breather hoses converge, how important is that canister? After all, the CB750 is one of the most admired motorcycles ever made, one that started an era of affordable speed. At this point, Honda knew it had a winner. As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. + Post New Thread in The Garage. Please keep up informed if you do the swap. Does it look different? So, I'll post pictures of what I've done and you can see or even give me some tips of what I need to do! When a vehicle becomes collectible, enthusiasts and sometimes speculators will always pay more to have an example that is different or better.
Haha. Just wondering before I buy!? DOHC engines do not have rockers, or followers, just the SOHC engines have them. A pristine 1962 Jaguar E-Type flat-floor roadster, for example, is worth $100K more than a pristine 1962 E-Type roadster without flat floors. However, certain vehicles defy this logic, emerging as particularly valuable based on a superfluous or even an impractical feature. You are going into new territory for me on this one, but I am really curious how it works out. A discerning collector doesn’t simply want an E-Type or a CB750; they want a flat-floor E-Type or a sandcast CB750. Testing and tuning on the '71 CB500 with an '82 CB650 engine swap. Just wondering before I buy! Bad Behavior has blocked 2229 access attempts in the last 7 days. For the most part, collector vehicles rise above the fray for logical reasons: the one-year-only, beautiful body style; the hottest engine with the most robust gearbox; the most comfortable seats with the flirtiest flares. With sandcasts making up 1.7 percent of total production, they aren’t all that rare. Is there something else that can be put in there to replace it? ;-). Kind of. However, demand for the CB750 skyrocketed, and Honda moved from producing 1500 bikes a year to 1500 a month. I use the green foam filter element for a lawnmower, just cut to fit. Like this article? I am not familiar with what a "750f2n" is. Support the site.
I'm sure this one does? Honda was a Japanese brand used to selling small-engined motorcycles, and it desperately needed to try something new to break the grasp of the British motorcycle industry.
If all CB750s were die-cast, the 1078th bike would have zero historical significance; it wouldn’t be much different from later models. Cut a piece of foam from some packing, etc. Buyers will always be looking for the vehicles with best stories, and the best tales are often told, in the collector vehicle world, by idiosyncratic details. When a buyer craves a significant CB750 but can’t find a single-digit VIN for sale, maybe it does. Cb750 engine swap.
Yes it's European, English. 0 Members and 1 Guest are viewing this topic. CB750E-1007414 was the last to leave the factory with a set of sandcast engine cases. Free at last. Probably wrong. Electrify your classic Mini with this $10K EV swap kit, VW wants to turn a Greek island into an EV paradise, World Premiere of Caffeine & Octane S5 Ep. 77-78 k and f engines are totally bolt in swap...any other cb750 engine you will need to use the sprocket carrier from a '76 or earlier bike, then make up the extra space on the axle with a spacer(or swap the whole earlier swingarm in). To put that total in perspective, Honda would go on to produce about 445,000 of these first-generation, single-overhead cam CB750s. I'll have my frame built up and ready for the engine soon! However, when that 1078th CB750 is one of only 7414 bikes to have a sandcast engine, it suddenly belongs to an exclusive group, one with a compelling story. I will have to mess with the mounts I am guessing then? I can usually get more than one from a single filter. Simply because it has one advantage: it’s a “first.” This uncommon production method doesn’t distinguish the first 7414 VINs of just any bike, either, but one of the most historically significant motorcycles ever produced. CB750E-1007414 was the last to leave the factory with a set of sandcast engine cases. Thanks in advance. http://forums.sohc4.net/index.php?topic=100352.0, http://forums.sohc4.net/index.php/topic,126692.msg1441661.html#msg1441661, http://forums.sohc4.net/index.php?topic=113672.msg1300721#msg1300721, https://www.mcmaster.com/#93210a017/=t19sgp, http://forums.sohc4.net/index.php?topic=137351.msg1549191#msg1549191, http://forums.sohc4.net/index.php/topic,148188.msg1688494.html#msg1688494, http://forums.sohc4.net/index.php/topic,139544.msg1579364.html#msg1579364, http://oldmanhonda.com/MC/wiring750K1.html, http://forums.sohc4.net/index.php?topic=1012.msg8345#msg8345, http://forums.sohc4.net/index.php?topic=45183.msg1571675#msg1571675, http://forums.sohc4.net/index.php?topic=113986.msg1283236#msg1283236, http://forums.sohc4.net/index.php?topic=107040.0, http://forums.sohc4.net/index.php/topic,58210.msg1684742.html#msg1684742, http://forums.sohc4.net/index.php/topic,100352.msg1675840.html#msg1675840, http://www.hondachopper.com/garage/carb_info/timing/timing1.html, http://forums.sohc4.net/index.php/topic,114485.msg1290000.html#msg1290000, http://forums.sohc4.net/index.php/topic,84697.msg953814.html#msg953814, http://forums.sohc4.net/index.php/topic,100352.msg1669248.html#msg1669248, http://forums.sohc4.net/index.php/topic,110931.msg1248354.html#msg1248354, http://forums.sohc4.net/index.php/topic,48858.msg515204.html#msg515204, http://forums.sohc4.net/index.php/topic,144305.msg1791605.html#msg1791605, http://forums.sohc4.net/index.php/topic,155043.msg1774841.html#msg1774841, http://forums.sohc4.net/index.php/topic,164440.msg1897366.html#msg1897366, http://forums.sohc4.net/index.php/topic,166063.msg1919278.html#msg1919278, http://forums.sohc4.net/index.php/topic,165975.msg1919495.html#msg1919495, http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-shorten-forks-td4042465.html, http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-change-and-adjust-a-clutch-SOHC-td4040391.html, http://forums.sohc4.net/index.php/topic,178428.msg2072279.html#msg2072279, http://forums.sohc4.net/index.php/topic,180710.msg2094423.html#msg2094423. In the case of the CB750, the sandcast bikes constitute another subset of desirable bikes beyond, say, the first 50 VINs, thus increasing the number of historically significant VINs within the model range. After 7414 motorcycles, engine no.
Very minor features, often dating from early production and producing no actual improvement in the driving experience, can trigger a large increase in value. No. It decided to invest in die-cast molds.
They are similar engines, the difference I've seen is that the newer engine has can rockers and not followers. The same phenomenon holds true in the motorcycle world: A pristine 1969 Honda CB750 with a sandcast engine—such as this example for sale on eBay—is worth $25K more than a 1969 Honda CB750 with a die-cast engine. Sign up for the latest automotive news and videos—in short, everything for people who love cars. Also there is a hose size mis-match with the hose from the back of the case to the oil tank breather. Also there is a hose size mis-match with the hose from the back of the case to the oil tank breather. ? The latter is more comfortable to drive, but the improved ergonomics don’t sway collectors. Say if the canister itself wasn't there and the hoses just drained to the ground, would the engine run any differently? These historically significant quirks also spread exclusivity among a vehicle range, distinguishing a larger-than-usual number of individual VINs as collector-grade (condition aside). Still, buyers pay vastly more for them so they can be a part of a special club, owning a part of the history of Honda that only they can tell as an owner.
First, we need to situate ourselves in this bike’s history, which means we must go back to a different Honda than the one we know today. Search: Tag: 1978; engine swap. I have found a cb750f2n engine. Re: A straight-forward CB550 to a CB650 engine swap « Reply #8 on: May 17, 2010, 07:35:03 am » Upsides to the 650 engine, adjusting valves is TONS easier than on the 550's. Is it rare?
So, I'm wondering if other k sohc engines from other years are compatible as a swap without modification?
Why do buyers pay more for seemingly undesirable features? Honda planned on selling only 1500 CB750s a year; to keep development costs low, Honda used a sandcast molding technique—the preferred method for keeping down costs in low-production runs—for the engine cases. I have found a cb750f2n engine. I'm hoping the carbs fit. Is this a European model? Is the sandcast bike better to ride? Login with username, password and session length, I've got a sohc 1978 cb 750 k with engine problems that are beyond my mechanical abilities. We've created a group for CB750.com members to connect. Not really. Honda’s biggest gamble was the CB750, the biggest motorcycle the company had ever made up to that point. After 7414 motorcycles, engine no. 1, Chip Foose reimagines the iconic Jaguar E-type, Chip Foose reinvents the 1966 Ford Bronco with street-savvy style, This Triumph Trackmaster is ripped straight from my daydreams, Cam Petersen overcomes adversity to win the 2020 MotoAmerica Stock 1000, A test track for your garage? At this point, Honda knew it had a winner. Search: Search took 0.00 seconds. Honda thought it was a good idea, The freedom of motocamping, especially now, is a sweet release, 5 limited-edition JDM minibikes up for grabs now. It’s the bike that started the superbike revolution and sold hundreds of thousands.
The o-ring I can get, but honda doesn't make the filter anymore. This little rascal MOVES! Often, this means any configuration that’s first, last, or most historically significant, but the specifics can vary wildly, especially when discussing variations on already desirable models. In the ’50s and ’60s, the British were the breadwinners and the Japanese were trying to vacuum up the crumbs. Can I fit any cb750 engine into my cb750f 1980? 1978 cb750 frame and swapable engines. We’ll use the sandcast CB750 to explore this strange habit. Honda did have an issue with chains breaking under power and cracking the cases, requiring that the some sandcast cases be replaced with die-cast ones, so let’s estimate that roughly 45 percent of sandcasts remain.
It decided to invest in die-cast molds. However all the SOHC, and DOHC engines used the same mounting points at least until 1983 that I personally know of. If a sandcast bike isn’t particularly rare, why do enthusiasts pay so much for them? I'm asking because when I took it apart today to clean, the condensation element was totally desintegrated and the big o-ring was broken. Check out Hagerty Insider, our e-magazine devoted to tracking trends in the collector vehicle market. Your contributions keep this site running. Started by Redbarron19, 06-07-2019 10:27 AM. Check it out! Can I fit any cb750 engine into my cb750f 1980? Well, I'm going collect it tomorrow. In late 1968, Honda unveiled one of its riskiest models, and in the spring of 1969 the CB750 went on sale. If you know what I mean!? My bike is 1980 and the engine is off of a 1990 bike. However, demand for the CB750 skyrocketed, and Honda moved from producing 1500 bikes a year to 1500 a month. Does $50K for an early-VIN sandcast CB750 make sense?