发明名称 |
Set of parts and transformation (Rayer Kit 350) enabling the power of a two-stroke Trialty 250 Yamaha engine with valve admission to be increased |
摘要 |
This set of detached parts and transformation (Kit 350) enables the performance of a TY 250 Yamaha motocross competition engine to be enhanced. It comprises: - a cylinder 1 designed with a new liner 2 equipped with a different timing diagram 3 as well as increased cylinder capacity enabling much more power and torque to be obtained available at all engine speeds without detracting from the engine's reliability; - an adjustment operation 4 between the two main engine sumps and the base of the skirt of the new cylinder liner (greater); - a cylinder head 5 with a hemispheric chamber of different taper; - a complete piston 6; - a pre-set carburettor 7 with a greater passage diameter. The invention can be used for enhancing the performance of a TY 250 for competition. It can be used as a basis for developing and marketing a new motocross engine of Yamaha or other make.
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申请公布号 |
FR2570760(A1) |
申请公布日期 |
1986.03.28 |
申请号 |
FR19770016084 |
申请日期 |
1977.05.26 |
申请人 |
RAYER CHRISTIAN |
发明人 |
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分类号 |
F02B41/00;F02B61/02;F02B69/00;F02B75/02;F02B75/16;(IPC1-7):F02B69/00 |
主分类号 |
F02B41/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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