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Have a little project bike.
Cant find any info on it really but I think it's a 78.
The only thing that makes me question this is the head takes d7ea plugs and I thought they only took these plugs on the tscc models. No markings anywhere to tell me it's a tscc motor.
Motor or serial number is gs550-127180
bike had bent valves when I got it so I replaced them and have killer compression now but bike bogs hard and dies after 4K rpm so I am not sure if the valve timing is correct due to the head. It screams until 4K. Mains are 112.5 and it dies with the choke on or off.
Any help would be great!
Cant find any info on it really but I think it's a 78.
The only thing that makes me question this is the head takes d7ea plugs and I thought they only took these plugs on the tscc models. No markings anywhere to tell me it's a tscc motor.
Motor or serial number is gs550-127180
bike had bent valves when I got it so I replaced them and have killer compression now but bike bogs hard and dies after 4K rpm so I am not sure if the valve timing is correct due to the head. It screams until 4K. Mains are 112.5 and it dies with the choke on or off.
Any help would be great!
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