Kamen Rider X ran February 16, 1974 - October 12, 1974 (35 episodes)
|Jin, Keisuke||Hayama, Ryu|
|Kamen Rider X||Nakayashiki, Tetsuya & Nakamura, Bunya|
|Kamen Rider X (motorcycle stunts)||Kumasawa, Tushiaki|
|Tachibana, Tobei||Kobayashi, Akiji|
|Apollo Giest (human form)||Yuchida, Yasuhiko|
|Apollo Giest (episodes 8-14, 16-21)||Bunya, Nakamura|
|King Dark (episodes 21-35)||Wada, Fumio|
Kamen Rider X: The most powerful, maintains peace by protecting people both day and night. He aggressively encounters the evil [mutants] to prevent the fear and panic of innocent people. His untiring efforts are rewarded in the preservation of peace in Japan.
-- from an article in the Star-Bulletin & Advertiser, 1970 something.
The article the above paragraph was taken from was written before there was a sixth Kamen Rider (Kamen Rider Amazon). So at the time Kamen Rider X probably was the most powerful of the Kamen Riders and it did appear that no more mutants would threaten the peace of Japan.
Jin, Keisuke (Hayama, Ryu) and his father, Keitar˘, a scientist, suffer mortal wounds at the hands of the terrorist organization "Government of Darkness". To save his son's life Keitar˘ performs an operation which turns the young man into the cyborg warrior, Kamen Rider X. Jin, Keitar˘ then dies from his own wounds. Jin, Keisuke had his own theme song. Unlike the previous Kamen Riders which are Kaizo Ningen ("reconstructed humans") Kamen Rider X is something called a Kaizogu, which is supposed to make him more advanced.
Kamen Rider X (aka X-Rider) had a multipurpose weapon "Ridol" in his belt. With the push of a button Ridol could change form.
Ridol could become "Rider Sword", "Rider Stick", "Rider Rope" etc. He used it more in the early episodes than in the later ones.
For the first 27 episodes Jin, Keisuke's transformation phrase did not include the word "henshin" (transform) but instead was "Set Up". The devices on X-Rider's belt which he used in henshin sequence are "Redizer" & "Perfecter" Starting in episode 28 X-Rider's transformation phrase became ""Dai Henshin" (Great Transformation).
Kamen Rider X is defeated by Spider-Napoleon. Kamen Rider V3 comes to his rescue. Kazami, Shiro operates on Jin, Keisuke to increase his power. After this X-Rider can charge up, when he does this smoke comes out of his body. For the first 27 episodes X-Rider usually defeated the mutants with "X Kick". Starting with episode 28 he used "Shinkuu Jigokukuruma" (Vacuum Hell Wheel), grabbing the mutant and forming his and its body into a wheel, rolling then hurling the mutant into the air, jumping up and kicking it into the ground.
Jin, Keisuke rode an ordinary motorcycle which transformed into Cruiser. Cruiser, could fly and be ridden underwater. Cruiser's top land speed was 700km/h (approx. 435 mph). Crusier could do a flying turn called "Crusier Big Loop" which was usually followed by "Crusier Attack", crashing into the mutants. Jin, Keisuke drove an ordinary appearing motorcycle which transformed into Cruiser when he transformed into X-Rider. Like previous Kamen Rider motorcycles Cruiser could drive itself and would come when X-Rider called for it. Cruiser's theme song was White Bullet Cruiser.
Kamen Rider X fights the Government of Darkness. In the first half of the series the cyborg mutants are based on mythology, mostly Greek and Roman. For example the first two cyborgs X-Rider fights are Neptune and Pan. In episode 8 X-Rider meets the chief of security for Government of Darkness, Apollogiest, who becomes his main advesary.
In the second half of the series the mutants are a mixture of a historical figure or fictional character and either an animal, an arachnid or an insect. Kamen Rider X would also meet the leader of the Government of Darkness, King Dark.
Just as he had helped Kamen Riders 1, 2 and Kamen Rider V3 to learn new skills to defeat more powerful mutants coffee shop owner Tachibana, Tobei helped Kamen Rider X to do the same.
In episode 29 Kamen Rider X battles Government of Darkness Rider, a duplicate of himself.
In the movie Kamen Rider X: Five Riders vs. King Dark Kamen Rider X is joined by Kamen Rider 1, Kamen Rider 2, Kamen Rider V3 and Riderman in battle against 20 revived versions of mutants Kamen Rider X had previously defeated and one new one Frankenbat
Kamen Rider X Episodes
Kamen Rider X Songs
Other appearances of Kamen Rider X
TVKamen Rider Stronger (1975) - episodes 36, 39
Jin, Keisuke is last seen in New Kamen Rider episode 32.