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Goped & Scooter-TuningRacing exhaust
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Gas Scooter
Blata Vehicles California Goped Chung Yang / Zenoah Pocket Bike + General information + FAQ + Tuning instructions + Chain length NewsletterDownloads |
Pocket Bike -
|
|
mixture |
1:20 |
1:25 |
1:30 |
1:35 |
1:40 |
1:45 |
1:50 |
|
gasoline |
oil in ml |
oil in ml |
oil in ml |
oil in ml |
oil in ml |
oil in ml |
oil in ml |
|
1,0 litres |
50 |
40 |
33 |
29 |
25 |
22 |
20 |
|
1,5 litres |
76 |
60 |
50 |
43 |
38 |
33 |
30 |
|
2,0 litres |
100 |
80 |
67 |
57 |
50 |
44 |
40 |
|
2,5 litres |
126 |
100 |
83 |
71 |
63 |
56 |
50 |
|
3,0 litres |
150 |
120 |
100 |
86 |
75 |
67 |
60 |
|
3,5 litres |
176 |
140 |
117 |
100 |
88 |
78 |
70 |
|
4,0 litres |
200 |
160 |
133 |
114 |
100 |
89 |
80 |
|
4,5 litres |
226 |
180 |
150 |
129 |
113 |
100 |
90 |
|
5,0 litres |
250 |
200 |
167 |
143 |
125 |
111 |
100 |
|
5,5 litres |
276 |
220 |
183 |
157 |
138 |
122 |
110 |
|
6,0 litres |
300 |
240 |
200 |
171 |
150 |
133 |
120 |
|
6,5 litres |
326 |
260 |
217 |
186 |
163 |
144 |
130 |
|
7,0 litres |
350 |
280 |
233 |
200 |
175 |
156 |
140 |
|
7,5 litres |
376 |
300 |
250 |
214 |
188 |
167 |
150 |
|
8,0 litres |
400 |
320 |
267 |
229 |
200 |
178 |
160 |
|
8,5 litres |
426 |
340 |
283 |
243 |
213 |
189 |
170 |
|
9,0 litres |
450 |
360 |
300 |
257 |
225 |
200 |
180 |
|
9,5 litres |
476 |
380 |
317 |
271 |
238 |
211 |
190 |
|
10,0 litres |
500 |
400 |
333 |
286 |
250 |
222 |
200 |
How can I tell what kind of engine is in my pocketbike?
Most pocketbikes use 2-stroke engines. There are two different types of 2-stroke engines in use on pocketbikes.
Case Reed Inducted:
These engines are used on '47cc' pocketbikes. The carburetor connects to the crankcase. These engines generally have a 40mm cylinder (for an actual engine size of 40.2cc) or a 44mm cylinder (for an actual engine size of 48.7cc).
Piston Port:
These engines are used mainly on the larger '49cc' midbikes & superbikes (cateye, X1, X2, 380x, R1, X7, etc), Gas Scooter (Mach1 and Silver Scooter). Here, the carburetor connects to the cylinder.
How do I install the Rocket Key on a pocketbike engine?
Note: if you are installing a rockit key in a 47cc pocketbike, please refer to the following illustration:
(For 49cc bikes the direction of rotation is the opposite)
Correct installation of a rocket key will always be with the offset pointing in the direction of flywheel rotation.
What spark Plug will work on my pocketbike engine?
On the stock case 47/49cc case reed inducted engine and the piston port Engine works the same NGK BM7A. When you mount a performance Cylinder on this Engines you can mount the NGK CR7HS CMR7H and the best Spark Plug NGK CR7HIX Iridium.
