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X. fuel octane recommendations – BoonDocker YAMAHA: Apex Turbo User Manual

Page 16

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BoonDocker – 1585 Hollipark Dr. Idaho Falls, ID 83401 – 208-542-4411 / 877-522-7805

www.boondockers.com – email:

[email protected]

– fax: 208-524-7381

Revised 05-07-07

Page 16 of 16

X. Fuel Octane Recommendations

The octane your engine needs depends on many variables such as air density (elevation/temp), engine compression ratio,
camshaft timing, and ignition timing. The table below is provided as a general guideline only – your engine requirements
may be different.

Note: When using pump gas, be aware that the fuel quality can vary and has been known to be less than that shown on the
pump! We recommend you obtain fuel from a known source and/or mix with race gas if in doubt.

Boost Æ 8lbs

10lbs

12lbs

14lbs

16lbs

Comp.

Ratio Æ

11.8:1 9.0:1 11.8:1 9.0:1 11.8:1 9.0:1 11.8:1 9.0:1 11.8:1 9.0:1

0 ft

95 93 100 95 105 100 x x

x x

2500 ft

93 92 98 94 103 98 108

103 x x

5000 ft

92 91 97 92 102 97 107

102 112 107

8000 ft

91 91 95 91 100 95 105

100 110 105

octane shown is determined by (R+M)/2
x = not recommended when using stock injectors and fuel pump





XI. Warranty, Terms & Conditions

Returned Goods – No merchandise will be accepted without prior approval. A RMA number (Return Merchandise
Authorization) provided by Boondocker is required before a return will be accepted. A 20% handling and restocking
charge will be applied to returned merchandise. No unauthorized returns will be accepted.

Limited Warranty – Boondocker warrants its product to the original purchaser against workmanship defects for a period
of 90 days, commencing from the date of product delivery to the Consumer.

Maximum Liability – The maximum liability of Boondocker in connection with this warranty shall not under any
circumstances exceed the price of the product claimed to be defective.